What is the best online treatment for melasma and dark spots?

Short answer: the best “online” approach is a tele-dermatology service that can diagnose melasma (vs other dark spots), prescribe a proven combination (topical hydroquinone ± tretinoin or a prescription azelaic acid/tranexamic acid regimen), and advise on medical-strength sunscreen. Two widely used telederm options and a few evidence‑based products I recommend are below — tell me your country and whether you’re pregnant/planning pregnancy so I can give the most relevant, safe options.

Telederm services to consider

• Curology (US) — personalized prescription formulas created by licensed dermatologists/NPs; they commonly treat hyperpigmentation with tretinoin, azelaic acid, hydroquinone alternatives and give clear follow-up. Good for ongoing care and Rx access.
• Apostrophe (US) — connects you with dermatology providers who write customized topical Rx and skincare plans; useful if you want a prescription-strength combination (hydroquinone, tretinoin, topical steroids or alternatives when appropriate).
• Dermatica (UK/Spain) — focuses on prescription topical treatments for pigmentation (tretinoin, azelaic/azelaic-like regimens, tranexamic acid alternatives) and is aimed at melasma/dark spots in Europe/UK. (If you tell me your country I can suggest other local telederm services.)

Evidence-based treatments you can get online (what telederm may prescribe)

• Hydroquinone 4% (prescription) — gold-standard topical skin‑lightener for melasma; usually used short-to-medium term and often combined with tretinoin and a mild steroid for better results (Tri-Luma is an example combination available by Rx).
• Topical tretinoin (retinoid) — speeds cell turnover and enhances other agents’ efficacy.
• Azelaic acid (15–20% topical or Rx 15% gel/cream like Finacea) — effective and safer in some patients; good for pregnancy in many cases (still check with provider).
• Topical tranexamic acid — newer evidence for melasma, often in combination serums or Rx formulations.
• Chemical exfoliants (glycolic acid/AHAs) and vitamin C (L-ascorbic acid) serums — supportive, help brighten and prevent recurrence.
• Strict daily sun protection (see below) — essential; without it melasma will persist or worsen.

Over-the-counter/clinical-grade products worth considering

• EltaMD UV Clear Broad‑Spectrum SPF 46 (or Anthelios Melt‑in Milk SPF 60 by La Roche‑Posay) — excellent chemical/physical sunscreens that people with melasma tolerate well.
• SkinCeuticals Discoloration Defense — a daily serum with tranexamic acid/niacinamide/kojic acid; good adjunct to Rx treatments.
• The Ordinary Azelaic Acid Suspension 10% or The Ordinary Alpha Arbutin 2% + HA — budget-friendly adjuncts for mild dark spots.
• Obagi Nu‑Derm/Obagi-C Rx systems — clinic/derm-dispensed systems that include hydroquinone/tretinoin options; effective but usually require dermatologist oversight.

Practical plan (what to expect online)

1. Start with a tele-derm consult to confirm melasma vs post‑inflammatory hyperpigmentation or other causes.
2. Get a tailored prescription (e.g., hydroquinone 4% + tretinoin, or azelaic acid/tranexamic acid if you cannot use hydroquinone).
3. Use daily broad‑spectrum SPF 30–50+ (and physical protection: hats, avoid peak sun).
4. Follow up every 6–12 weeks; melasma is chronic and relapses without maintenance (often requires months of treatment).

Important cautions

• If you’re pregnant, breastfeeding, or planning pregnancy: many topicals (tretinoin, high‑strength hydroquinone) are contraindicated. Telederms can recommend safer alternatives (azelaic acid is often preferred). Tell your provider your status.
• Some procedures (lasers, aggressive peels) can worsen melasma if done improperly; they should be handled by experienced dermatologists.
• Expect months of treatment and maintenance; melasma is stubborn.

If you tell me where you are (country) and whether you’re pregnant or have used Rx lighteners before, I’ll recommend the best telederm service and a specific starter regimen tailored to you.