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....
It specifically states to avoid the eye area with Cosmelan. I would refer you to the company's main number since they can best answer a question about their own products.
