Citrulline

Citrulline is a cosmetic ingredient used as a skin conditioning agent. It is used in 28 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 420 studies of its skin or topical use.

INCI nameCITRULLINE
FunctionSKIN CONDITIONING
CAS number372-75-8
EC number206-759-6
Prevalence28 products (0.03% of dataset)
Most used inSkincare
EU statusNo annex restriction
Scientific studies420 on PubMed (skin/cosmetic/topical)
Monthly searches18,100

Used in

Shampoos 14.3%Facial Treatments 10.7%Face Cleansers 7.1%Serums 7.1%Setting Spray & Powders 7.1%Toners 7.1%

Frequently asked

What does Citrulline do in skincare?
Citrulline functions as a skin conditioning agent in cosmetic formulas.
What products contain Citrulline?
It is most commonly found in Skincare products, especially shampoos (14.3% of its uses).

Manufacturers with experience using Citrulline

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