Sericin

Product Description

Sericin is a high-purity protein derived from silk, obtained through controlled extraction and purification processes to ensure consistent quality and bioactivity. Direct factory supply guarantees reliable batch-to-batch performance for cosmetic manufacturers.

Rich in serine, glycine, and other amino acids, Sericin supports deep hydration, strengthens the skin barrier, and promotes skin elasticity. Its low molecular weight enables excellent skin penetration, making it ideal for moisturizing, anti-aging, and barrier repair formulations.

Designed for premium skincare and personal care applications, Sericin responds to growing consumer demand for natural, multifunctional actives that combine efficacy with sensory appeal.

Product Specification

• INCI Name: Sericin
• CAS No.: 60650-89-7
• Source: Silk Sericin Protein
• Extraction Method: Enzymatic or aqueous extraction under controlled conditions
• COA: Certificate of Analysis available upon request and supplied with each batch
• Appearance: Off-white to pale yellow powder or solution
• Solubility: Water-soluble; compatible with aqueous and emulsion-based systems
• Suggested Usage Level: 0.5–5%, depending on formulation objectives
• Storage: Store in a cool, dry place away from direct sunlight in tightly sealed containers

Key Benefits & Applications

• Deep Hydration: Enhances skin moisture retention through naturally occurring amino acids, supporting long-lasting hydration and improving skin softness.
• Skin Barrier Repair: Reinforces the epidermal barrier by promoting water retention and maintaining structural integrity, improving skin resilience against external aggressors.
• Elasticity & Anti-Aging: Helps maintain skin firmness and elasticity by providing essential amino acids that support natural skin regeneration and reduce the appearance of fine lines.
• Cell Vitality & Regeneration: Promotes healthier, revitalized skin by supporting cellular renewal processes.
• Soothing & Calming: Reduces visible irritation and discomfort by stabilizing skin stress response, suitable for sensitive skin formulations.
• Application Versatility: Ideal for serums, creams, masks, lotions, and anti-aging or barrier repair formulations.

Formulation Guidelines

• Suggested Use Level: 0.5–5%, depending on formulation goals
• Processing Recommendation: Add during the cool-down phase (<50°C) to preserve amino acid integrity and bioactivity
• pH Compatibility: Suitable for formulations with pH 4.5–7.5
• Application Types: Serums, creams, lotions, masks, eye care, and sensitive skin formulations
• Compatibility: Works well with hyaluronic acid, peptides, botanical extracts, and emulsion systems
• Stability:Demonstrates good stability in aqueous systems within the recommended pH range under appropriate manufacturing conditions.
• Synergy: Combine with Sodium Hyaluronate to enhance hydration, or Niacinamide to support elasticity and antioxidant protection.