Hydrolyzed Silk Protein is a premium protein-based cosmetic ingredient derived from natural silk proteins through a controlled hydrolysis process. Hydrolysis breaks larger silk proteins into smaller peptides and protein fractions, making them easier to incorporate into cosmetic formulations.
It is widely used in hair care, skin care, bath & body and personal care formulations for its conditioning, film-forming and moisture-supporting properties. Hydrolyzed Silk Protein helps provide a soft, smooth and conditioned feel while supporting improved hair manageability and a refined cosmetic skin feel.
Its premium positioning makes it suitable for luxury shampoos, conditioners, hair masks, hair serums, leave-in treatments, facial care, moisturizing creams and advanced personal care formulations.
INCI Name
Hydrolyzed Silk*
Common Names
- Hydrolyzed Silk Protein
- Hydrolyzed Silk
- Silk Protein Hydrolysate
- Hydrolyzed Silk Peptides
- Silk Peptides
- Silk Protein
- Silk Protein Peptides
- Silk Hydrolysate
- Silk Protein Hydrolysate
- Cosmetic Silk Protein
- Silk-Derived Protein
- Protein-Based Hair Care Ingredient
Source
Natural Silk Protein
Ingredient Type
- Cosmetic Protein
- Hair Conditioning Ingredient
- Skin Conditioning Ingredient
- Film-Forming Ingredient
- Moisture-Supporting Ingredient
- Protein-Based Hair Care Ingredient
- Premium Personal Care Active
- Silk-Derived Cosmetic Ingredient
Key Functions
Hair Care
- Hair conditioning
- Helps improve hair manageability
- Supports soft and smooth hair feel
- Film forming
- Moisture support
- Helps improve cosmetic feel of dry-looking hair
- Suitable for protein-focused hair care formulations
Skin Care
- Skin conditioning
- Moisture support
- Film-forming properties
- Helps provide a soft and smooth skin feel
- Suitable for premium moisturizing formulations
Formulation Benefits
- Suitable for rinse-off and leave-on products
- Easy to incorporate depending on grade
- Works well in water-based cosmetic systems
- Useful in premium protein-based formulations
Key Benefits
1. Hair Conditioning
Hydrolyzed Silk Protein is commonly used to provide a conditioned, soft and smooth feel to hair formulations.
2. Smooth & Silky Hair Feel
Its silk-derived protein fractions can contribute to a refined sensory profile and help support smooth-feeling hair.
3. Moisture Support
It can be incorporated into moisturizing and conditioning formulations designed for dry-feeling hair and skin.
4. Film-Forming Properties
Hydrolyzed silk peptides can contribute to a lightweight film on hair or skin, supporting a smooth cosmetic finish.
5. Improved Manageability
Suitable for conditioners, masks and leave-in products formulated to support easier combing and improved hair manageability.
6. Premium Protein Ingredient
Its silk-derived origin makes it particularly attractive for luxury, premium and professional hair-care formulations.
Applications
Hair Care
Hydrolyzed Silk Protein is suitable for:
- Shampoos
- Conditioning Shampoos
- Hair Conditioners
- Deep Conditioners
- Hair Masks
- Hair Treatments
- Hair Repair Concept Formulations
- Hair Serums
- Leave-In Conditioners
- Hair Creams
- Hair Lotions
- Hair Smoothing Products
- Anti-Frizz Cosmetic Formulations
- Professional Hair Care Products
- Protein Hair Treatments
Skin Care
Suitable for:
- Face Creams
- Moisturizers
- Facial Serums
- Skin Conditioning Creams
- Body Lotions
- Body Creams
- Facial Masks
- Body Care Products
- Hand Creams
- Premium Skin Care Formulations
Bath & Personal Care
Can also be used in:
- Body Wash
- Shower Gel
- Liquid Hand Wash
- Liquid Soap
- Cleansing Products
- Bath Products
- Premium Personal Care Formulations
Recommended Usage
General Starting Range: 0.5–5.0%
The appropriate dosage depends on:
- Supplier grade
- Protein concentration
- Molecular weight/peptide profile
- Liquid or powder format
- Finished product type
- Desired sensory effect
- Overall formulation composition
How to Use
For Liquid Grade
Hydrolyzed Silk Protein Liquid can generally be incorporated into the water phase or cool-down phase, depending on the supplier’s processing instructions.
- Prepare the main formulation.
- Add the required quantity of Hydrolyzed Silk Protein.
- Mix thoroughly until uniformly distributed.
- Check final pH, appearance and viscosity.
- Conduct stability and compatibility testing before production.
For Powder Grade
- Pre-disperse the powder in a suitable portion of water.
- Add gradually under continuous mixing.
- Allow sufficient time for hydration/dissolution.
- Incorporate into the main formulation.
- Check pH, appearance and stability.
Formulation Considerations
- Suitable for water-based cosmetic formulations depending on grade.
- Avoid excessive heating where possible.
- Evaluate compatibility with surfactants, preservatives and other active ingredients.
- Check final formulation pH.
- Protein ingredients may show differences in color or odor depending on source and processing.
- Perform stability, compatibility and microbial testing before commercial production.
- Follow the supplier’s processing instructions for the exact grade.
Compatible Ingredients
Hydrolyzed Silk Protein can be formulated alongside many commonly used cosmetic ingredients, including:
- Glycerin
- Propanediol
- Butylene Glycol
- Panthenol
- Sodium PCA
- Hyaluronic Acid
- Betaine
- Aloe Vera
- Niacinamide
- Amino Acids
- Botanical Extracts
- Ceramides
- Peptides
- Hydrolyzed Wheat Protein
- Hydrolyzed Rice Protein
- Hydrolyzed Oat Protein
- Hydrolyzed Quinoa Protein
- Hydrolyzed Soy Protein
- Hydrolyzed Keratin
- Hydrolyzed Collagen
Technical Product Information
| Property | Details |
|---|---|
| Product Name | Hydrolyzed Silk Protein |
| Standard Technical Name | Hydrolyzed Silk Protein |
| Typical INCI | Hydrolyzed Silk* |
| Source | Silk Protein |
| Botanical/Biological Source | Commonly Bombyx mori; supplier dependent |
| Ingredient Type | Cosmetic Protein |
| Primary Function | Hair & Skin Conditioning |
| Secondary Functions | Film Forming, Moisture Support, Hair Smoothing |
| Physical Form | Powder or Liquid, depending on grade |
| Appearance | White/off-white powder or clear to slightly colored liquid, grade dependent |
| Solubility | Generally water soluble/dispersible, grade dependent |
| Recommended Usage | 0.5–5.0% general starting range |
| Application | Hair Care, Skin Care, Bath & Body, Personal Care |
| Product Type | Leave-On & Rinse-Off |
| Exact Specifications | Refer to Supplier TDS/COA/SDS |
Suitable Product Formulations
Hydrolyzed Silk Protein is particularly suitable for premium formulations such as:
- Silk Protein Shampoo
- Silk Protein Conditioner
- Silk Hair Mask
- Hair Smoothing Serum
- Hair Treatment Cream
- Leave-In Hair Conditioner
- Anti-Frizz Hair Serum
- Protein Hair Mask
- Moisturizing Hair Treatment
- Premium Facial Cream
- Hydrating Face Serum
- Skin Conditioning Lotion
- Body Cream
- Professional Salon Hair Care Products
Why Choose Hydrolyzed Silk Protein?
- Premium silk-derived cosmetic protein
- Ideal for advanced hair-care formulations
- Supports soft and smooth hair feel
- Helps improve cosmetic hair conditioning
- Provides film-forming functionality
- Supports moisture-focused formulations
- Suitable for leave-on and rinse-off products
- Excellent choice for luxury and professional personal care concepts
- Compatible with a wide range of cosmetic formulation systems
- Useful across hair, skin and body care applications
Storage
Store Hydrolyzed Silk Protein in a cool, dry and well-ventilated place in its original, tightly closed container.
Protect from:
- Excessive moisture
- Direct sunlight
- Excessive heat
- Contamination
- Freezing, where applicable to liquid grades
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