Mandelic Acid from Bio Shop™ is a gentle, oil-soluble AHA (Alpha Hydroxy Acid) ideal for all skin types, especially sensitive or acne-prone skin. It works by exfoliating the top layer of dead skin cells, promoting smoother, brighter, and more even-toned skin. Mandelic Acid helps unclog pores, reduce acne, fade hyperpigmentation, and boost collagen production. It penetrates slowly, reducing irritation compared to other AHAs. Use at 5%–10% in serums, peels, and toners. Always follow up with sunscreen during daytime use and avoid combining with strong actives in a single routine.