Ingredient

HYDROXYPROLINE

✓ EU Allowed

Identification

CAS Number 51-35-4
EINECS / EC 200-091-9
CosIng Ref 34525
Chemical Name (2S,4R)-4-hydroxypyrrolidine-2-carboxylic acid
IUPAC Name
Formula C5H9NO3
Mol. Weight 131.13 g/mol
SMILES C1C(CNC1C(=O)O)O
InChIKey PMMYEEVYMWASQN-DMTCNVIQSA-N

Function & Classification

Primary Function ANTISTATIC
Secondary Functions HAIR CONDITIONING; SKIN CONDITIONING; SURFACTANT - CLEANSING

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009

Safety Profile

No toxicology data available yet for this ingredient.

Check SCCS opinions or CIR reports for published safety assessments.

NOAEL · Dermal Absorption % · Sensitization

Formulation Guidelines

Usage level, pH range, solubility and addition phase not yet available.

Usage Level % · Addition Phase · Solubility

Suppliers & Documents

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Documents

External Resources