Topic

Tretinoin

Tretinoin is a topical retinoid used in dermatology for acne, photoaging, and pigmentation.

Topical retinoids: tretinoin and gentler alternatives

How topical retinoids work, how prescription tretinoin compares with retinaldehyde, retinol, and adapalene, and how to choose a tolerable option for aging or acne-prone skin.

Jun 7, 2026 · 3 min · Medically reviewed

MedicalDermatologyNews

Medical

Triple combination cream for melasma: 2026 evidence

Evidence for FDA-approved hydroquinone + tretinoin + fluocinolone for melasma — efficacy vs monotherapy, adverse effects, and adjunctive options.

May 23, 2026 · 6 min · Medically reviewed