Lactic acid for blackheads: what to know

A blackhead is an open comedone: oil and dead skin cells collect in a pore, and the exposed material darkens at the surface. Lactic acid exfoliates the outer layer and can improve roughness, but it may not reach or regulate the pore blockage as effectively as a treatment designed for comedonal acne. Squeezing can injure the pore opening and leave inflammation or a mark. Persistent bumps on the face, chest or back may need a closer diagnosis.

Choose one product and follow its directions, starting infrequently on completely dry, intact skin. Apply moisturizer and use sunscreen during the day. Do not combine it immediately with other exfoliating acids, scrubs or a topical retinoid unless a clinician has planned the routine. Stop for strong burning, swelling, cracking or worsening redness. If blackheads remain after a consistent gentle routine, a clinician can discuss topical retinoids, supervised extraction or other options.

Book a review if lesions are painful, inflamed, scarring, widespread or not behaving like typical blackheads. Seek prompt advice for sudden severe irritation, swelling, blistering or infection signs. A dermatologist can distinguish comedonal acne from folliculitis or another bump and avoid unnecessary harsh treatment.

Are these blackheads or another type of bump? Would a topical retinoid suit my skin? Can I combine lactic acid with my current products? Would supervised extraction help, and how can I reduce marks afterward?