Undecylenoyl Phenylalanine

Undecylenoyl Phenylalanine is a cosmetic ingredient used as a skin conditioning agent. It is used in 47 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameUNDECYLENOYL PHENYLALANINE
FunctionSKIN CONDITIONING
CAS number175357-18-3
Prevalence47 products (0.05% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches50

Used in

Serums 48.9%Facial Treatments 10.6%General Moisturizers 8.5%Ampoules 4.3%Essences 4.3%Toners 4.3%

Frequently asked

What does Undecylenoyl Phenylalanine do in skincare?
Undecylenoyl Phenylalanine functions as a skin conditioning agent in cosmetic formulas.
Is Undecylenoyl Phenylalanine allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Undecylenoyl Phenylalanine?
It is most commonly found in Skincare products, especially serums (48.9% of its uses).

Manufacturers with experience using Undecylenoyl Phenylalanine

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