Lysine Carboxymethyl Cysteinate
A cosmetic ingredient used as hair waving or straightening, skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
DL-Lysine, compound with S-(carboxymethyl)-L-cysteine (1:1)
What does it do?
Lysine Carboxymethyl Cysteinate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Hair waving or straightening
permanently changes the shape of hair through chemical reduction and re-oxidation of the hair's disulfide bonds
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Skin conditioning
improves the appearance, feel, and condition of skin
EU regulatory status
Lysine Carboxymethyl Cysteinate 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 Lysine Carboxymethyl Cysteinate?
Lysine Carboxymethyl Cysteinate is a cosmetic ingredient catalogued in the EU CosIng database. DL-Lysine, compound with S-(carboxymethyl)-L-cysteine (1:1)
Is Lysine Carboxymethyl Cysteinate allowed in cosmetics in the EU?
Yes. Lysine Carboxymethyl Cysteinate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Lysine Carboxymethyl Cysteinate do in cosmetic products?
Lysine Carboxymethyl Cysteinate is declared in the EU cosmetic ingredient inventory with these functions: hair waving or straightening, skin conditioning.
What is the CAS number of Lysine Carboxymethyl Cysteinate?
The CAS (Chemical Abstracts Service) number for Lysine Carboxymethyl Cysteinate is 79458-68-7, 49673-81-6.
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Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 23/05/2019