Research

The single highest-return item in any looks routine. Everything else is damage repair; this is damage prevention.

The most studied topical for photoaging and acne. Slow, unglamorous, and genuinely effective if you survive the first three months.

The over-the-counter retinoid. Meaningfully gentler than tretinoin with most of the acne benefit — the sensible entry point.

The peptide with the most credible cosmetic case. Decent mechanistic work, reasonable small trials, and it is applied to the skin rather than injected.

The only drug that reliably produces long-term remission of severe acne. Serious enough that it demands a dermatologist, monitoring and genuine informed consent.

It genuinely tans you. It is also unapproved, unregulated, and linked to changes in moles that matter a great deal on a site about skin.

The quiet all-rounder — acne, rosacea and pigmentation at once, and one of the few actives considered pregnancy-compatible.

The peptides you can actually buy in a shop. Mild, safe, and consistently oversold.

The antibacterial backbone of acne treatment, and the reason topical antibiotics still work.

A legitimate antioxidant with real brightening data, undermined by how unstable it is in the bottle.

The most tolerable active in skincare. Modest effects across a wide range of concerns, and it almost never causes problems.

One of the more effective options for stubborn melasma, available topically and — under supervision — orally.

The long-standing gold standard for pigmentation. Effective, but designed for defined courses rather than indefinite use.

An antiandrogen used off-label for hormonal acne in women, and often more effective than another round of antibiotics.