Salicylic Acid
⚠ EU RestrictedAlso known as: Salicylic Acid, ACID19
Identification
CAS Number 69-72-7
EINECS / EC 200-712-3
CosIng Ref 37595
Chemical Name 2-hydroxybenzoic acid
IUPAC Name —
Formula C7H6O3
Mol. Weight 138.12 g/mol
InChIKey YGSDEFSMJLZEOE-UHFFFAOYSA-N
Function & Classification
Primary Function Exfoliant
Secondary Functions Anti-Acne, Keratolytic
Origin Synthetic
Category Skin Actives
Manufacturer Acid19 Srl
EU Regulatory Status
Max Leave-on 2%
Max Rinse-off 3%
Restrictions Max 2% (other than rinse-off hair products); Max 3% (rinse-off hair products); Max 0.5% (oral hygiene products). Not for children under 3 years, except in shampoo.
Conditions of Use Leave-on: max 2.0% (face, body) / Rinse-off: max 3.0% (hair) / Oral: max 0.3% (toothpaste). Not for children under 3 years except in shampoos. pH ≥ 3.0.
Mandatory Warning Not to be used on children under 3 years of age except when in shampoos. Contains Salicylic Acid.
SCCS Opinion View SCCS opinion →
Safety Profile
4 / 10
Comedogenic Rating: 0/5
Will not clog pores — safe for acne-prone skin
Skin Type Compatibility
Acne-Prone ✓ Safe
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 50 mg/kg bw/day (oral, rat, reproductive tox) SCCS/1601/18
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
Dermal Absorption 22.7%
LD₅₀ Oral 891 mg/kg (rat)
LD₅₀ Dermal >2000 mg/kg (rat)
Skin Irritation (Draize) 1.5 / 4.0
Eye Irritation (Draize) 1.8 / 4.0
Source SCCS Opinion ↗
Formulation Guidelines
Solubility in water , soluble in hot water ,freely soluble in alcohol and in ether
Benefits Exfoliation; pore cleansing; anti-acne
Suppliers & Documents
Acid19 Srl 🇮🇹 Italy
Documents