Hydrolyzed Silk

Price range: $5.50 through $62.00 USD

Silk Peptides (Full-Spectrum) are a premium cosmetic ingredient obtained through the controlled hydrolysis of Bombyx mori silk fibers, delivering a rich profile of bioactive peptides from both silk fibroin and silk sericin. This dual-protein composition provides broad-spectrum benefits for skin and hair, combining the structural strength of fibroin with the film-forming and moisture-retaining properties of sericin.

These low molecular weight peptides penetrate deeply to nourish, hydrate, and protect, while forming a lightweight, breathable film that enhances elasticity and barrier function. Ideal for luxury skincare and haircare formulations, Silk Peptides improve smoothness, increase resilience, and support long-lasting moisture—making them a favorite for anti-aging, conditioning, and reparative applications.

  • Derived from both silk fibroin and sericin for complete peptide functionality

  • Deeply hydrates and improves moisture retention

  • Strengthens and smooths skin texture and hair cuticle

  • Forms a protective, breathable barrier on skin and hair

  • Supports elasticity, repair, and barrier function

  • Enhances glide, absorption, and sensory feel in formulations

Naturally rich in glycine, alanine, serine, threonine, valine, arginine, proline, leucine, and tyrosine—Silk Peptides closely mimic the skin’s natural moisturizing factors (NMF) while offering conditioning, film-forming, and anti-aging support.

  • Recommended Usage Rate: 0.5% – 5%

  • Solubility: Water-soluble

  • Add to: Water phase or cool-down phase

  • pH Stability: 4.0 – 7.5

  • Processing Notes: Compatible with most emulsifiers, humectants, and active botanicals


 

Formulator’s Tip:

For an ultra-hydrating and reparative boost, combine Silk Peptides with panthenol, hyaluronic acid, or sodium PCA to create barrier-supportive, sensorially rich formulations ideal for dry, mature, or compromised skin and hair.

  • Anti-aging facial serums and eye creams

  • Barrier-repair moisturizers and lotions

  • Reconstructive hair masks and conditioners

  • Leave-in sprays, serums, and scalp treatments

  • Lip balms and glosses

  • After-sun, post-procedure, or sensitive skin care

  • Baby and wellness skincare

Appearance: Liquid 

INCI: Hydrolyzed Silk  Aqua, Phenoxyethanol, Ethylhexylglycerin

INCI: Hydrolyzed Silk, Aqua

Use: 0.5 – 5.0%

Solubility: Soluble

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