Phenylalanine

Phenylalanine is a cosmetic ingredient used as a hair conditioning, fragrance agent. It is used in 99 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 2,483 studies of its skin or topical use.

INCI namePHENYLALANINE
FunctionHAIR CONDITIONING, FRAGRANCE, SKIN CONDITIONING
CAS number63-91-2 / 150-30-1
EC number200-568-1 / 205-756-7
Prevalence99 products (0.11% of dataset)
Most used inSkincare
EU statusNo annex restriction
Scientific studies2,483 on PubMed (skin/cosmetic/topical)
Monthly searches74,000

Used in

Serums 14.1%Shampoos 9.1%Hair Masks 7.1%Sheet Masks 7.1%Toners 6.1%General Moisturizers 5.1%

Frequently asked

What does Phenylalanine do in skincare?
Phenylalanine functions as a hair conditioning, fragrance agent in cosmetic formulas.
What products contain Phenylalanine?
It is most commonly found in Skincare products, especially serums (14.1% of its uses).

Manufacturers with experience using Phenylalanine

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