Ingredient Encyclopedia

Reviewed by Thank Me Now Skincare Editor · Last updated: September 2025 Salicylic Acid is one of the most popular beta hydroxy acids (BHAs) in skincare. Known for its ability to unclog pores and calm inflammation, it's a favourite among dermatologists for treating blackheads, whiteheads, and breakouts. What is Salicylic Acid? Salicylic acid is an oil-soluble exfoliant that penetrates deep into pores, breaking down the mix of dead skin cells and sebum that cause congestion. It has anti-inflammatory properties, making it particularly helpful for acne-prone and oily skin types. Key Benefits Decongests and clears clogged pores (PMC) Reduces blackheads, whiteheads, and visible blemishes Helps control excess oil production Calms redness and inflammation Smooths skin texture over time Who Should Use It? Oily or combination skin Acne-prone skin with persistent blackheads Congested T-zone areas Who Should Avoid It? Very dry or sensitised skin (may worsen dryness) People allergic to aspirin (salicylic acid is related) Pregnant individuals should consult their doctor before use How to Use It in a Routine Use 2–4x/week after cleansing as a toner, serum, or treatment Introduce gradually to avoid irritation Always follow with a hydrating moisturiser Daily SPF is essential — salicylic acid increases sun sensitivity Verdict Salicylic acid is a gold-standard pore-clearing ingredient. With consistent use, it helps prevent breakouts, smooths skin, and keeps congestion under control. 👉 Struggling with clogged pores? Try our BHA Pore Refiner — formulated to gently exfoliate and minimise breakouts. FAQs Can I use Salicylic Acid every day?Yes, some people can tolerate daily use. Start with 2–3 times per week and increase as your skin adjusts. Can I combine Salicylic Acid with Retinol?Yes, but introduce them on alternate nights to reduce irritation risk. How long until I see results?Blackheads and breakouts often improve within 4–6 weeks of consistent use. References Kligman D. “Topical Salicylic Acid in Acne Management.” Clin Cosmet Investig Dermatol. 2017. DermNet NZ: Salicylic Acid Overview NHS: Salicylic Acid – Uses and Safety Information About the Author: This article was reviewed by the Thank Me Now Skincare Editorial Team, combining science-backed research and real-world skincare experience to help you build a clear, effective routine. Related Guides Salicylic Acid vs Benzoyl Peroxide – For Breakouts How to Layer Acids Without Irritation A Complete Guide to Exfoliating Acids