Salicylic Acid
AKA “2-Hydroxybenzoic acid, o-hydroxybenzoic acid, 2-Carboxyphenol, o-Carboxyphenol, Retarder W, Rutranex, Salonil, Keralyt
Acid
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Ingredient Facts
Salicylic acid
AKA: 2-Hydroxybenzoic acid, O-hydroxybenzoic acid, 2-Carboxyphenol, O-Carboxyphenol, Retarder W, Rutranex, Salonil, Keralyt
Acid · Anti-Seborrheic | Hair Conditioning | Keratolytic | Preservative | Skin Conditioning · EWG: 7
Plant-Derived
Rx Active
Preservative
Skin Conditioner
Hair Care
Chemical Exfoliant
Acid
Not Clean
A gentle exfoliant that removes dead skin cells and helps clear pores, while also conditioning hair and maintaining product freshness.
Solubility 2240
Formula
C7H6O3
Mol. Weight
138.12
CAS #
69-72-7
Form
Liquid
Plant-Derived
Synthetic. Salicylic acid belongs to the beta hydroxy acid (BHA) chemical family, synthesized from petroleum-derived precursors or plant sources. Produced through the acetylation of salicin or direct synthesis via esterification of salicylic acid precursors.
Function
Anti-Seborrheic | Hair Conditioning | Keratolytic | Preservative | Skin Conditioning
Benefits
Unclogs pores
Supports cell turnover
Controls excess oil
Fights acne
Causing bacteria
Skin Types
all-skin-types
Best For
Melanin-Rich Skin
Suitable
EWG Score7
CIR Safety Findings
ewg-7, medical-approval, all-shades-safe, Not an Irritant
Concentration Guide
3.0%
0%4%
Reg. Limit
EU regulatory limit: 3.0%. (a) 3.0% (b) 2.0%. Not to be used for children under three years of age (11) Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 98.
Use Caution With
Regulatory Status
EUpermitted
JAPANpermitted
CANADApermitted
Regulatory Agencies
🧂Conflict of interest.
Verified Feb 2026 · 🧪 = conflict
Data: PubChem · CosIng · EWG