Silk Amino Acids

Silk Amino Acids is a cosmetic ingredient used as a hair conditioning, humectant agent. It is used in 155 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameSILK AMINO ACIDS
FunctionHAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING
CAS number96690-41-4
EC number306-235-8
Prevalence155 products (0.17% of dataset)
Most used inHaircare
EU statusRestricted (annex )
Monthly searches260

Used in

Shampoos 14.8%Leave-in Conditioners 12.3%Conditioners 9.7%Hair Masks 9.7%Styling Creams & Sprays 9%Gel, Pomade & Wax 7.1%

Frequently asked

What does Silk Amino Acids do in skincare?
Silk Amino Acids functions as a hair conditioning, humectant agent in cosmetic formulas.
Is Silk Amino Acids allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Silk Amino Acids?
It is most commonly found in Haircare products, especially shampoos (14.8% of its uses).

Manufacturers with experience using Silk Amino Acids

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.