Cosmelan is a fantastic treatment for melasma and hyperpigmentation. The best treatment is the medical grade Cosmelan. You will require two treatments three weeks apart for the best results. Please consult a board certified dermatologist with a lot of experience with Cosmelan for the best re...
Cosmelan is a great product and I generally recommend two treatment 3 weeks apart as the company recommends for best results. Cosmelan re-application 4 months later should have had similar results. I would suggest you return to your treating physician for evaluation.
When I do a Cosmelan peel (and home care products) on my patients, I also give them a prescription strength hydrocortisone cream to use. This calms any associated redness, tightness, or dryness. Since adding this into the regimen I haven't had any patients with prolonged redness or irritation....