Salicylic Acid
Beta Hydroxy Acid
Also known as: Beta hydroxy acid, BHA, 2-Hydroxybenzoic acid
Description
Salicylic acid is a lipophilic beta hydroxy acid with keratolytic, comedolytic, and mild anti-inflammatory properties. Its oil solubility allows penetration into the pilosebaceous unit.
Mechanism of Action
Dissolves intercellular cement in the stratum corneum, promoting desquamation. Penetrates lipid-rich environments of clogged pores, reducing comedone formation. Exhibits mild anti-inflammatory activity via prostaglandin inhibition.
Indications
- Acne vulgaris (comedonal)
- Seborrheic dermatitis
- Psoriasis
- Keratosis pilaris
- Warts (verrucae)
- Calluses and corns
Available Concentrations
Side Effects
- Local irritation
- Dryness
- Peeling
- Stinging on application
Contraindications
- Aspirin allergy (relative)
- Children under 2 years (systemic absorption risk)
- Application on large body surface areas
Pregnancy Category
C