Salicylic acid is an oil-soluble beta hydroxy acid that penetrates pores to exfoliate dead skin cells, reduce comedones, and decrease inflammation. It is widely used to treat acne, blackheads, and conditions involving excess scaling or follicular plugging.
| Reported effect | How often | Notes |
|---|---|---|
| Skin dryness and peeling | Common | Often dose-dependent and tends to lessen with reduced frequency or lower concentration. |
| Mild stinging, burning, or irritation | Common | Typically transient, occurring shortly after application. |
| Erythema (redness) | Uncommon | More likely with higher concentrations or sensitive skin. |
| Contact dermatitis or allergic reaction | Rare | Presents as persistent rash, swelling, or itching; discontinue use if it occurs. |
| Salicylate toxicity (salicylism) | Very rare | Associated with application over large body areas, high concentrations, or occlusion; symptoms include dizziness, headache, tinnitus, and nausea. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.