CYSTEINE
CYSTEINE
Cysteine is an amino acid of synthetic or animal origin. It acts as an antioxidant, antistatic agent, and fragrance ingredient in cosmetic formulations, particularly in hair care products.
Hair conditioningPerfuming
Ingredient
Roles & functions
Hair conditioning — Improves the appearance, softness and manageability of the hair.
Perfuming — Adds a scent to the product or masks the odour of raw materials.
Antioxidant — Limits oxidation and helps preserve the formula over time.
Antistatic — Reduces static electricity, particularly on the hair.
Regulatory framework
What the authorities say
| Authority | Status |
|---|---|
| Commission européenne (CosIng, Règl. 1223/2009) | Autorisé |
| CLP classification (Reg. 1272/2008) | No CMR classification |
| ECHA — endocrine disruptor (human health) | Not identified as an endocrine disruptor |
| ECHA — Candidate List (SVHC, REACH Art. 59) | Not on the Candidate List (SVHC) |
| European Commission (Reg. 1223/2009, Annex III) | No cosmetic allergen subject to mandatory labelling |
| European Commission (EU catalogue of nanomaterials, Reg. 1223/2009) | No referenced nanoform |
Products
Products containing it
Eye CareVernis À Ongles Perfection Incolore, 5ml
Eye CareVernis À Ongles Perfection Nacre Rose, 5ml
Eye CareBase Protectrie Peaux Et Ongles Sensibles, 8ml
Eye CareVernis Soin Traitant Durcisseur, 8ml
Eye CareTop Coat Silicium Fixateur Effet Nature, 5ml
Eye CareVernis À Ongles Perfection Blanc Nacré, 5ml
Eye CareVernis À Ongles Perfection Émotion, 5ml
Eye CareVernis À Ongles Perfection Métal Rose, 5ml
Eye CareVernis À Ongles Perfection Pétale, 5ml
Eye CareVernis À Ongles Perfection Rose Givré, 5ml
Eye CareVernis Perfection Coquille, 5ml
Eye CareVernis Perfection Oligo+ Paillette Mercure, 5ml
Statistics
In Lou’s database
25
products listed
| Most frequent categories | Nails · Manicure · Makeup · Masks |
| Most frequent brands | Eye Care · Torriden |
🔒
This information is reported factually and with attribution (authorities and publications cited). It does not constitute medical advice, for your situation, ask a pharmacist or a healthcare professional for advice.
A question about this ingredient?
Lou answers you and looks at your products with you, in store.