Theanine
A cosmetic ingredient used as humectant, skin conditioning, skin conditioning - emollient in skincare, haircare, and personal-care products sold in the European Union.
What is it?
N-Ethyl-L-Glutamine
What does it do?
Theanine is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water
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Skin conditioning
improves the appearance, feel, and condition of skin
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Skin conditioning - emollient
softens the skin by reducing roughness and friction between skin cells
EU regulatory status
Theanine 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 Theanine?
Theanine is a cosmetic ingredient catalogued in the EU CosIng database. N-Ethyl-L-Glutamine
Is Theanine allowed in cosmetics in the EU?
Yes. Theanine is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Theanine do in cosmetic products?
Theanine is declared in the EU cosmetic ingredient inventory with these functions: humectant, skin conditioning, skin conditioning - emollient.
What is the CAS number of Theanine?
The CAS (Chemical Abstracts Service) number for Theanine is 3081-61-6.
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