Salicylic a*cid! Salicylic a*cid is a beta hydroxy a*cid (BHA) commonly used in skincare products and medications due to its unique properties. Here are some key benefits and uses: Benefits: 1. Exfoliates and unclogs pores: Salicylic a*cid helps break down dead skin cells, reducing acne, blackheads, and whiteheads. 2. Anti-inflammatory: Reduces redness and swelling in acne-prone skin. 3. Antibacterial: Inhibits growth of bacteria that cause acne. 4. Keratolytic: Dissolves keratin, a protein that can clog pores. Uses: 1. Acne treatment: Over-the-counter (OTC) and prescription medications for acne, blackheads, and whiteheads. 2. Skin exfoliants: Peelings, masks, and cleansers for removing dead skin cells and improving skin texture. 3. Wart removal: Salicylic a*cid is used to treat warts, plantar warts, and calluses. 4. Psoriasis treatment: Helps reduce scaling and inflammation associated with psoriasis. 5. Dandruff and seborrheic dermatitis: Relieves flaking and itching. Precautions: 1. Start with low concentrations: Gradually increase strength to avoid irritation. 2. Sensitive skin: Begin with patch tests to assess tolerance. 3. Avoid overuse: Can lead to dryness, irritation, or post-inflammatory hyperpigmentation (PIH). 4. Pregnancy and breastfeeding: Consult a doctor before using salicylic a*cid products. Common product concentrations: - OTC: 0.5-3% - Prescription: 6-20% Natural sources: - Willow bark - Wintergreen leaves