Lysine Carboxymethyl Cysteinate
Lysine Carboxymethyl Cysteinate is a cosmetic ingredient used as a hair waving or straightening, skin conditioning agent. It is used in 13 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | LYSINE CARBOXYMETHYL CYSTEINATE |
| Function | HAIR WAVING OR STRAIGHTENING, SKIN CONDITIONING |
| CAS number | 79458-68-7, 49673-81-6 |
| EC number | 279-164-2, 256-425-9 |
| Prevalence | 13 products (0.01% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Monthly searches | 20 |
Used in
Leave-in Treatments 23.1%Sunscreens 23.1%Body Serums 15.4%Serums 15.4%Facial Treatments 7.7%Hair Serums 7.7%
Frequently asked
- What does Lysine Carboxymethyl Cysteinate do in skincare?
- Lysine Carboxymethyl Cysteinate functions as a hair waving or straightening, skin conditioning agent in cosmetic formulas.
- Is Lysine Carboxymethyl Cysteinate allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Lysine Carboxymethyl Cysteinate?
- It is most commonly found in Skincare products, especially leave-in treatments (23.1% of its uses).
Manufacturers with experience using Lysine Carboxymethyl Cysteinate
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.