INCI: Water (and) Sodium Cocoyl Hydrolyzed Silk Protein
What is it?
This is a mild surfactant made by attaching a coconut-derived fatty acid onto hydrolyzed silk protein, through the same acylation chemistry used across this family of amino-acid surfactants. This is the least independently documented ingredient in its family: real safety data exists for a closely related ingredient,...
How is it used?
Add it to the water phase, it's supplied pre-dissolved.
Forms
Available forms and grades affect how this ingredient behaves and how it should be selected for a formula.
Appearance
Color, texture, and physical characteristics can vary between suppliers and product grades.
Usage rate
Recommended incorporation levels depend on product type, supplier guidance, and the intended result.
Why we use it
Formulators choose this ingredient for specific performance, sensory, and stability benefits.
Strengths and limitations
Its advantages, compatibility considerations, and practical tradeoffs should be weighed during development.
Alternatives and substitutions
Possible replacements depend on the ingredient's role, desired skin feel, and formulation system.
Storage and shelf life
Appropriate storage conditions help protect quality and performance throughout the ingredient's usable life.
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