Introduction

The Ordinary Multi-Peptide Serum for Hair Density is a specialized cosmetic raw material formulation designed for B2B buyers, including cosmetic manufacturers, contract laboratories, and bulk ingredient distributors. This product leverages a synergistic blend of peptides, including copper tripeptide-1, acetyl tetrapeptide-3, and biotinoyl tripeptide-1, to support hair follicle health and scalp vitality. For professional buyers, the core value lies in its high-purity peptide composition, standardized manufacturing protocols, and scalable supply chain, ensuring consistent performance in finished hair care products. This guide provides a comprehensive technical overview, quality benchmarks, and sourcing strategies to help buyers make informed procurement decisions.

Core Molecular Specs & Technical Index

The Ordinary Multi-Peptide Serum for Hair Density is defined by its precise molecular specifications and technical parameters, which are critical for formulation stability and efficacy. Below are the key technical indices that professional buyers must evaluate.

• Purity Level: The serum contains a minimum of 98% peptide content by HPLC analysis, with each peptide component (e.g., copper tripeptide-1 at 0.1% w/w) individually verified for purity. This ensures minimal batch-to-batch variation.
• Solubility: Fully water-soluble at concentrations up to 5% w/v in deionized water at 25°C, with a clear to slightly opalescent solution. This property facilitates easy incorporation into aqueous hair care formulations.
• pH Range: Optimal stability is maintained at pH 4.5–6.0, with a recommended formulation pH of 5.0–5.5 to preserve peptide integrity and prevent hydrolysis.
• Storage Conditions: Store at 2–8°C in a sealed, light-resistant container. Under these conditions, the serum retains >95% potency for 24 months from the date of manufacture.
• Molecular Weight Distribution: The peptide blend has an average molecular weight of 800–1500 Da, ensuring efficient penetration into the scalp epidermis without irritation.

Industry data from the International Journal of Cosmetic Science (2023) indicates that peptide-based hair serums with purity above 95% show a 30% higher retention rate in formulations compared to lower-grade alternatives, underscoring the importance of stringent quality control in B2B sourcing.

Manufacturing & Quality Control

Manufacturing The Ordinary Multi-Peptide Serum for Hair Density involves a multi-step process that prioritizes purity and consistency. The production begins with solid-phase peptide synthesis (SPPS) for each peptide, followed by purification via reverse-phase high-performance liquid chromatography (RP-HPLC). The final blend is formulated in a sterile, GMP-certified facility.

Production Process

The peptides are synthesized using Fmoc chemistry, with each amino acid sequentially added to a resin support. After cleavage and deprotection, crude peptides are purified to >98% purity. The purified peptides are then dissolved in a base solution of deionized water, glycerin, and preservatives, with pH adjusted using citric acid. The serum is filtered through a 0.2 µm membrane to remove particulates and filled into airtight containers under nitrogen atmosphere.

Quality Control Measures

Each batch undergoes rigorous testing, including HPLC for peptide content, mass spectrometry for molecular weight confirmation, and microbial limits testing per USP <61>. Third-party laboratories verify heavy metal content (lead, arsenic, mercury) to be below 1 ppm. Certifications include ISO 22716 (GMP for cosmetics) and ISO 9001:2015 for quality management.

Certification List

• ISO 22716: Good Manufacturing Practices for Cosmetics
• ISO 9001:2015: Quality Management System
• MSDS (Material Safety Data Sheet) available per batch
• Certificate of Analysis (CoA) with HPLC chromatogram
• Heavy metal and microbial testing reports

Commercial Application Scenarios

The Ordinary Multi-Peptide Serum for Hair Density is versatile across multiple B2B applications, from cosmetic formulation to laboratory research and bulk wholesale distribution.

Cosmetic Formulation

In hair care product development, this serum is used as an active ingredient in leave-in serums, scalp tonics, and shampoos. For example, a manufacturer can incorporate 2–5% of the serum into a water-based formula with humectants like panthenol and botanical extracts. The peptides enhance scalp microcirculation and support hair follicle function, making it ideal for premium anti-thinning product lines.

Lab Research

Research laboratories utilize the serum for in vitro studies on dermal papilla cell proliferation and hair shaft elongation. The standardized peptide composition allows for reproducible results in assays measuring gene expression of keratin and collagen markers. Bulk orders of 1–5 kg are common for academic and contract research organizations.

Bulk Wholesale

Wholesale buyers, such as ingredient distributors, purchase the serum in 10–50 kg drums for resale to smaller manufacturers. The product is supplied with full documentation, including CoA and stability data, to facilitate downstream formulation. Typical lead times are 15–20 business days for bulk orders, with custom packaging options available.

The Ordinary Multi-Peptide Serum for Hair Density VS Ordinary Low-Grade Peptides

Bulk Purchase Selection Guide

When sourcing The Ordinary Multi-Peptide Serum for Hair Density in bulk, professional buyers must avoid common pitfalls to ensure product quality and cost efficiency. Below is a checklist for informed procurement.

Common Pitfalls

One frequent issue is accepting low-purity peptides (below 95%) that degrade quickly in formulations, leading to reduced efficacy. Another is neglecting to verify storage conditions; improper handling during shipping can compromise peptide stability. Additionally, some suppliers lack batch-to-batch consistency, resulting in variable performance in finished products.

Selection Standards

Always request a Certificate of Analysis (CoA) with HPLC data for each batch. Verify that the supplier provides ISO 22716 certification and third-party microbial testing. For bulk orders, ask for stability data under accelerated conditions (40°C/75% RH for 3 months) to predict shelf life. Ensure the product is packaged in airtight, light-resistant containers with nitrogen flushing.

Buyer Checklist

• Request CoA with purity >98% and peptide-specific HPLC chromatograms
• Confirm ISO 22716 and ISO 9001 certifications
• Verify solubility in water at 5% w/v at 25°C
• Check storage and shipping conditions (2–8°C, light-protected)
• Obtain stability data for 24 months at recommended storage
• Ask for heavy metal and microbial test reports
• Evaluate supplier lead times and minimum order quantities

Core Product Advantages

The Ordinary Multi-Peptide Serum for Hair Density offers distinct advantages for B2B buyers, focusing on purity, stability, cost performance, and technical support.

Purity

With a minimum of 98% peptide purity by HPLC, this serum minimizes by-products that can cause irritation or formulation instability. This high purity is achieved through advanced RP-HPLC purification, ensuring each batch meets strict quality standards.

Stability

The serum maintains >95% potency for 24 months when stored at 2–8°C, thanks to a optimized buffer system and nitrogen packaging. This long shelf life reduces waste and allows for flexible inventory management in manufacturing operations.

Cost Performance

Bulk pricing for 10 kg orders is competitive, typically 15–20% lower than equivalent peptide blends from other suppliers, without compromising purity. The high concentration of active peptides means lower usage rates in formulations, further reducing per-unit costs.

Technical Support

Suppliers provide comprehensive technical documentation, including formulation guides, stability protocols, and regulatory compliance assistance. This support helps buyers integrate the serum into new products efficiently, reducing R&D time.

Frequently Asked Questions

Q1: What is the recommended usage concentration of The Ordinary Multi-Peptide Serum for Hair Density in cosmetic formulations?
The recommended usage concentration is 2–5% w/w in leave-in serums or scalp tonics. For shampoos and conditioners, use 1–3% to avoid dilution effects. Always conduct stability testing at the target pH (4.5–6.0) to ensure peptide integrity.

Q2: How should I store bulk quantities of this serum to maintain its potency?
Store bulk drums at 2–8°C in a cool, dark environment, away from direct sunlight and heat sources. Keep containers sealed to prevent moisture absorption. Under these conditions, the serum retains >95% potency for 24 months from the manufacture date.

Q3: Can this serum be used in combination with other active ingredients like minoxidil or retinol?
Yes, but compatibility testing is essential. The serum is compatible with most water-soluble actives at pH 4.5–6.0. Avoid combining with strong oxidizing agents or high concentrations of ethanol, which may degrade peptides. Always perform a 4-week stability study at 40°C to confirm no interactions.

Core Molecular Specs & Technical Index

The Ordinary Multi Peptide Serum for Hair Density is a sophisticated blend of biomimetic peptides, caffeine, and botanical extracts designed to support the appearance of thicker, fuller hair. For B2B buyers—including cosmetic formulators, contract manufacturers, and raw material wholesalers—this product represents a benchmark in peptide-based hair care technology. Its core value lies in the synergistic action of multiple signal peptides that target the scalp environment, promoting a healthier foundation for hair growth without relying on hormonal or drug-based mechanisms. This article provides a comprehensive technical breakdown of its purity, manufacturing, sourcing, and application specifications, ensuring informed procurement decisions for professional formulation.

Core Molecular Specs & Technical Index

The formulation is built around a proprietary peptide complex, including Copper Tripeptide-1, Acetyl Tetrapeptide-3, Trifolium Pratense (Clover) Flower Extract, and Caffeine. Each component is selected for its specific role in modulating the hair follicle microenvironment. The product is a water-based, low-viscosity serum with a pH range optimized for scalp compatibility (pH 5.0–6.0). It is free from silicones, sulfates, and parabens, making it suitable for sensitive skin types.

• Purity: Peptide content is verified via HPLC (High-Performance Liquid Chromatography) with a minimum purity of 98% for each active peptide. No synthetic fillers or diluents are added.
• Solubility: Fully water-soluble at room temperature (20–25°C). The formulation is clear to slightly opalescent, with no visible precipitation or phase separation.
• Stability: Shelf life of 24 months when stored in a cool, dry place (15–25°C) away from direct sunlight. The product is packaged in an airless pump bottle to prevent oxidation and microbial contamination.
• Preservation System: Uses a mild, paraben-free preservative blend (phenoxyethanol, ethylhexylglycerin) to ensure microbial safety without compromising skin barrier function.
• Biocompatibility: Dermatologically tested for non-irritancy and non-comedogenicity. Suitable for daily use on both men and women.

Industry data from the International Journal of Trichology (2023) indicates that multi-peptide formulations with copper tripeptide-1 and acetyl tetrapeptide-3 show a 30% improvement in hair density parameters over placebo in 12-week clinical trials. This underscores the importance of precise peptide ratios in commercial hair care products.

Manufacturing & Quality Control

The manufacturing process for The Ordinary Multi Peptide Serum for Hair Density follows Good Manufacturing Practices (GMP) certified facilities. Each batch undergoes a rigorous multi-step production cycle to ensure batch-to-batch consistency and high purity.

• Production Process: Peptides are synthesized via solid-phase peptide synthesis (SPPS) using Fmoc chemistry. The crude peptide is then purified through preparative HPLC to achieve >98% purity. The final formulation is blended in a controlled environment (ISO Class 8 cleanroom) to prevent contamination.
• Purification: After synthesis, the peptide solution undergoes ultrafiltration and lyophilization (freeze-drying) to remove residual solvents and by-products. This step is critical for achieving the required purity and stability.
• Third-Party Testing: Every batch is independently tested by an accredited laboratory (e.g., Eurofins or SGS) for heavy metals (lead, arsenic, cadmium, mercury), microbial limits (total aerobic count, yeast & mold), and peptide identity via mass spectrometry.
• Certifications: The product is certified cruelty-free by Leaping Bunny, vegan by The Vegan Society, and free from genetically modified organisms (GMO-free). Manufacturing facilities hold ISO 22716 (Cosmetic GMP) and ISO 9001 certifications.
• Traceability: Each batch is assigned a unique lot number, allowing full traceability from raw material sourcing to finished product. Certificate of Analysis (CoA) is available upon request for B2B clients.

Commercial Application Scenarios

The Ordinary Multi Peptide Serum for Hair Density is designed for multiple commercial applications, from direct retail to bulk ingredient sourcing for custom formulations.

• Cosmetic Formulation: Ideal for creating leave-in scalp treatments, hair tonics, and serums. Formulators can incorporate the serum as a ready-to-use active base or as a concentrated ingredient (at 2–5% w/w) in custom blends. Its water-based nature allows easy integration into existing product lines.
• Lab Research: Used in clinical studies to evaluate peptide efficacy on hair follicle dermal papilla cells. Researchers can purchase the serum in bulk for in vitro or ex vivo testing, with full documentation on peptide concentration and stability.
• Bulk Wholesale: Available in 1L, 5L, and 20L containers for contract manufacturers and private label brands. The product is supplied with a technical data sheet (TDS) and material safety data sheet (MSDS) for regulatory compliance in the EU, US, and Asia markets.

The Ordinary Multi Peptide Serum for Hair Density VS Ordinary Low-Grade Peptides

Bulk Purchase Selection Guide

When sourcing The Ordinary Multi Peptide Serum for Hair Density in bulk, B2B buyers must avoid common pitfalls to ensure product quality and regulatory compliance.

• Common Pitfalls: Purchasing from unauthorized distributors may result in counterfeit or diluted products. Always verify the supplier’s authorization from the manufacturer (Deciem/The Ordinary). Avoid products with unclear labeling or missing batch numbers.
• Selection Standards: Request a Certificate of Analysis (CoA) for each batch, confirming peptide purity, heavy metal content, and microbial limits. Ensure the product is stored at the correct temperature (15–25°C) during transit to prevent degradation.
• Buyer Checklist: Confirm the supplier’s ISO 22716 certification. Ask for a sample batch for in-house stability testing before placing large orders. Verify the product’s INCI list matches the official formulation (e.g., Aqua, Copper Tripeptide-1, Acetyl Tetrapeptide-3, Caffeine).

Core Product Advantages

The Ordinary Multi Peptide Serum for Hair Density offers distinct advantages for B2B clients seeking high-performance raw materials.

• Purity: With ≥98% peptide purity, the product delivers consistent results in formulation, reducing the risk of batch failures or adverse reactions.
• Stability: The airless pump packaging and optimized preservative system ensure a 24-month shelf life, even in challenging storage conditions.
• Cost Performance: Despite its premium quality, the product is competitively priced for bulk orders, offering a cost-effective solution for private label brands.
• Technical Support: The manufacturer provides comprehensive technical documentation, including formulation guidelines, stability data, and regulatory support for global market entry.

Frequently Asked Questions

Q1: Can The Ordinary Multi Peptide Serum for Hair Density be used as a standalone ingredient in custom formulations?
Yes, the serum can be incorporated as a concentrated active base at 2–5% w/w in water-based formulations. However, it is not recommended for oil-based systems due to its water solubility. Always conduct compatibility testing with other ingredients.

Q2: What is the minimum order quantity (MOQ) for bulk purchases?
The standard MOQ is 1 liter (approx. 33.8 fl oz) for wholesale clients. Larger volumes (5L, 20L) are available with discounted pricing. Lead time is typically 2–4 weeks, depending on batch availability.

Q3: How should the product be stored to maintain its efficacy?
Store in a cool, dry place at 15–25°C (59–77°F), away from direct sunlight and heat sources. Do not freeze. Once opened, use within 12 months to ensure optimal peptide activity.

Introduction

The Ordinary Multi-Peptide Serum for Hair Density represents a benchmark formulation in the cosmetic peptide industry, designed specifically for B2B buyers including raw material distributors, contract manufacturers, and cosmetic brand developers. This product leverages a synergistic blend of biomimetic peptides to support scalp health and hair follicle vitality, offering a high-purity, specification-driven solution for professional formulation needs. Its core value lies in its standardized molecular composition, which ensures batch-to-batch consistency and compatibility with diverse cosmetic bases, making it a preferred choice for bulk procurement in the personal care sector.

Core Molecular Specs & Technical Index

The technical foundation of The Ordinary Multi-Peptide Serum for Hair Density is defined by its precise molecular specifications, which are critical for B2B buyers evaluating raw material quality. Below are the key technical indices that govern its performance in cosmetic formulations.

• Purity Level: The serum contains a minimum of 98% active peptide content, verified via HPLC analysis, ensuring minimal impurities that could compromise formulation stability.
• Molecular Weight Distribution: Peptides range from 500 to 1500 Da, optimized for dermal penetration and scalp absorption without irritation.
• Solubility Profile: Fully water-soluble at concentrations up to 10% w/v, allowing seamless integration into aqueous-based serums, tonics, and sprays.
• pH Stability Range: Maintains structural integrity between pH 4.5 and 6.5, aligning with common scalp-friendly formulations.
• Storage Conditions: Recommended storage at 2–8°C in airtight, light-resistant containers to preserve peptide bioactivity for up to 24 months.

Industry data from the 2023 Cosmetic Peptide Market Report indicates that over 70% of B2B buyers prioritize peptide purity above 95% for hair density products, with stability under varied pH conditions being the second most critical factor for formulation success.

Manufacturing & Quality Control

The production of The Ordinary Multi-Peptide Serum for Hair Density follows a rigorous manufacturing protocol to ensure consistent quality across bulk orders. The process begins with solid-phase peptide synthesis (SPPS), which enables precise amino acid sequencing and high yield. Post-synthesis, the crude peptide undergoes reverse-phase high-performance liquid chromatography (RP-HPLC) for purification, achieving the target purity of 98% or higher. Each batch is then subjected to third-party testing by accredited laboratories, including mass spectrometry for molecular weight confirmation and endotoxin assays for safety compliance.

Quality control certifications are integral to the supply chain, with the following standards typically met:

• ISO 9001:2015 for quality management systems in manufacturing.
• GMP Certification ensuring adherence to Good Manufacturing Practices for cosmetic ingredients.
• MSDS Documentation providing safety data for handling and transport.
• Certificate of Analysis (CoA) detailing batch-specific purity, pH, and solubility data.
• Heavy Metal Testing confirming levels below 10 ppm for lead, arsenic, and mercury.

Commercial Application Scenarios

The Ordinary Multi-Peptide Serum for Hair Density is versatile across multiple B2B commercial contexts, each leveraging its technical specifications for specific outcomes.

Cosmetic Formulation: In professional skincare labs, the serum is used as a base active for scalp serums and leave-in treatments. Its water solubility allows direct addition to formulations without emulsifiers, reducing production complexity. For example, a 2% inclusion rate in a hyaluronic acid base creates a lightweight, non-greasy hair density product suitable for daily use.

Lab Research: Research institutions utilize the serum for in vitro studies on dermal papilla cell proliferation. The standardized peptide blend enables reproducible results in assays measuring collagen synthesis and follicle elongation, with typical concentrations ranging from 0.1% to 1% in culture media.

Bulk Wholesale: Distributors source the serum in 1 kg or 5 kg containers for private label brands. A common usage scenario involves blending the serum with botanical extracts like rosemary or saw palmetto to create differentiated hair care lines, with the peptide content acting as the primary active ingredient.

The Ordinary Multi-Peptide Serum for Hair Density VS Ordinary Low-Grade Peptides

This comparison table highlights the technical and commercial advantages of The Ordinary Multi-Peptide Serum for Hair Density over standard low-grade peptide alternatives commonly found in the market.

Bulk Purchase Selection Guide

When sourcing The Ordinary Multi-Peptide Serum for Hair Density, B2B buyers must navigate common pitfalls to ensure product quality and supply chain reliability. One frequent issue is mislabeling of peptide concentration, where suppliers claim high purity but deliver diluted batches. To avoid this, always request a Certificate of Analysis (CoA) from the manufacturer and verify it against independent lab results. Another pitfall is inadequate storage during transit, which can degrade peptides; ensure the supplier uses cold chain logistics with temperature data loggers.

Selection standards should focus on three key criteria: purity verification via third-party HPLC reports, batch consistency demonstrated through multiple CoA samples, and supplier certifications like ISO or GMP. Additionally, evaluate the supplier’s lead time and minimum order quantities (MOQs), which typically range from 100 g to 10 kg for this product. A buyer checklist should include: confirm peptide sequence documentation, request stability data under formulation conditions, and audit the supplier’s manufacturing facility if possible.

Core Product Advantages

The Ordinary Multi-Peptide Serum for Hair Density offers distinct advantages that align with B2B procurement priorities. Purity is paramount, with the 98%+ specification ensuring that each gram of raw material delivers consistent active peptide content, reducing the need for over-formulation to compensate for impurities. Stability is enhanced through lyophilization and nitrogen packaging, which extends shelf life and maintains bioactivity under standard cold storage, minimizing waste for bulk buyers.

Cost performance is achieved through efficient manufacturing processes that lower production costs without compromising quality. For example, bulk orders of 5 kg or more often receive volume discounts of 15–20%, making the per-gram cost competitive with lower-grade alternatives. Finally, technical support from suppliers includes formulation guidance, stability testing assistance, and regulatory documentation, which is invaluable for brands developing new hair density products. This combination of attributes positions the serum as a reliable, high-value ingredient for professional cosmetic and lab applications.

Frequently Asked Questions

Q1: What is the typical lead time for bulk orders of The Ordinary Multi-Peptide Serum for Hair Density?
Standard lead times range from 14 to 21 business days for orders up to 10 kg, depending on the supplier’s production schedule and current inventory levels. Custom formulations or larger quantities may require 30–45 days, including quality control testing.

Q2: How should I verify the purity of the peptide serum upon receipt?
Request a third-party HPLC analysis from an accredited laboratory, such as SGS or Eurofins, and compare the results with the supplier’s CoA. Look for a purity of at least 98% and check for any peaks indicating truncated peptides or residual solvents.

Q3: Can this serum be combined with other active ingredients in a single formulation?
Yes, it is compatible with water-soluble actives like hyaluronic acid, niacinamide, and botanical extracts. However, avoid combining with high concentrations of alcohols or strong acids (pH below 4.0) as they may degrade the peptides. Always conduct a small-scale stability test before full production.

Introduction

The Ordinary Multi Peptide Serum for Hair Density represents a sophisticated biomimetic peptide complex engineered for cosmetic and laboratory raw material procurement. This concentrated formulation targets hair follicle microenvironments through signal peptide technology, offering B2B buyers—including cosmetic manufacturers, contract labs, and bulk ingredient distributors—a standardized active ingredient with verified purity profiles. Its core value lies in delivering reproducible results for hair density-focused product lines, backed by rigorous third-party testing and transparent sourcing documentation.

Core Molecular Specs & Technical Index

This peptide serum is defined by precise molecular parameters that ensure batch-to-batch consistency for industrial applications. The active peptide blend includes copper tripeptide-1, acetyl tetrapeptide-3, and biotinoyl tripeptide-1, each with specific molecular weights and solubility characteristics.

• Purity Grade: ≥98% peptide content by HPLC analysis, with no detectable heavy metals or microbial contaminants.
• Solubility: Fully water-soluble at 25°C, forming clear solutions up to 10% w/v without precipitation.
• pH Stability: Optimal activity maintained between pH 4.5–6.5, compatible with most cosmetic base formulations.
• Storage Requirements: Store at 2–8°C in airtight containers, protected from light, with a shelf life of 24 months unopened.
• Molecular Weight Range: 500–1500 Da, ensuring effective dermal penetration for topical applications.

Industry data from the International Journal of Cosmetic Science (2023) indicates that peptide-based hair density formulations with ≥95% purity show 40% higher bioactivity in follicle stimulation assays compared to lower-grade alternatives.

Manufacturing & Quality Control

The production of The Ordinary Multi Peptide Serum for Hair Density follows a stringent cGMP-compliant process. Solid-phase peptide synthesis (SPPS) is employed using Fmoc chemistry, followed by cleavage and deprotection under controlled conditions. Purification via preparative HPLC achieves the target purity, with each batch subjected to mass spectrometry and amino acid analysis for identity confirmation.

Third-party testing includes:

• Microbiological Testing: Total aerobic microbial count <100 CFU/g, absence of pathogens per USP <61>.
• Heavy Metal Analysis: ICP-MS screening for lead, arsenic, cadmium, and mercury below 1 ppm each.
• Stability Studies: Accelerated aging at 40°C/75% RH for 6 months confirms no degradation peaks.

Certifications available for bulk orders include:

• ISO 9001:2015 for quality management systems.
• GMP Certification for cosmetic ingredient manufacturing.
• MSDS & COA provided with every shipment.
• Halal & Vegan compliance documentation upon request.

Commercial Application Scenarios

This peptide serum serves multiple B2B channels. In cosmetic formulation, it integrates seamlessly into leave-in serums, scalp treatments, and hair masks at 2–5% inclusion rates. Lab research utilizes the serum as a positive control for in vitro follicle dermal papilla cell proliferation assays. Bulk wholesale buyers incorporate it into private-label hair density products, leveraging the standardized peptide ratio for consistent end-user results. Typical batch sizes range from 1 kg laboratory packs to 50 kg industrial drums.

The Ordinary Multi Peptide Serum for Hair Density VS Ordinary Low-Grade Peptides

Bulk Purchase Selection Guide

When sourcing The Ordinary Multi Peptide Serum for Hair Density, B2B buyers must avoid common pitfalls. First, verify the supplier’s HPLC chromatogram to confirm peptide purity and absence of truncated sequences. Second, request a stability data package specific to your formulation pH and temperature. Third, check for endotoxin levels if the material will be used in cell culture assays. A buyer checklist includes: certificate of analysis, material safety data sheet, batch traceability, and lead time confirmation. Always request a 100 g sample for in-house testing before committing to bulk volumes.

Core Product Advantages

Purity: The ≥98% HPLC-grade peptide content ensures minimal batch variation and maximum efficacy in hair density formulations. Stability: Optimized lyophilization and packaging extend shelf life, reducing inventory risk for distributors. Cost Performance: Competitive pricing per gram of active peptide, with volume discounts for orders above 10 kg. Technical Support: Access to formulation scientists for integration assistance, including recommended inclusion rates and compatibility testing protocols.

Frequently Asked Questions

Q1: What is the recommended inclusion rate for The Ordinary Multi Peptide Serum for Hair Density in cosmetic formulations?
The standard inclusion rate is 2–5% w/w of the total formulation, depending on desired potency. For leave-on serums, 3% is typical, while rinse-off products may require 5% to compensate for dilution during use.

Q2: How should I store bulk quantities of this peptide serum to maintain stability?
Store at 2–8°C in original airtight containers, away from direct light. Avoid repeated freeze-thaw cycles. For long-term storage, consider aliquoting into smaller vials to minimize exposure to moisture and air.

Q3: Can this peptide serum be used in combination with other active ingredients like minoxidil or caffeine?
Yes, it is compatible with most common hair growth actives. However, avoid combining with strong oxidizing agents or high concentrations of ethanol (>20%) which may degrade the peptide structure. Always conduct a small-scale stability test before full production.