Leucine
A cosmetic ingredient used as antistatic, hair conditioning, skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
L-Leucine
What does it do?
Leucine is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Antistatic
reduces static electricity, mostly in hair products to keep strands smooth and manageable
-
Hair conditioning
improves the appearance, feel, and manageability of hair
-
Skin conditioning
improves the appearance, feel, and condition of skin
EU regulatory status
Leucine is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Leucine?
Leucine is a cosmetic ingredient catalogued in the EU CosIng database. L-Leucine
Is Leucine allowed in cosmetics in the EU?
Yes. Leucine is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Leucine do in cosmetic products?
Leucine is declared in the EU cosmetic ingredient inventory with these functions: antistatic, hair conditioning, skin conditioning.
What is the CAS number of Leucine?
The CAS (Chemical Abstracts Service) number for Leucine is 61-90-5.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010