I don't have people sleep with Cosmelan on.... so I don't know why that was suggested. 6-8 hours is a normal timeframe, but that would mean the mask was put on you at midnight? That can't be right...... The mask can dry and crack, but pieces of it should not come off. Please call your treating...
It appears you are allergic to something in the Cosmelan and most likely it's the hydroquinone. This is rare but it is what I suspect. See a physician for a prescription and a kenalog shot quickly. And stop using the product!"This answer has been solicited without seeing this patient and
cannot...
Cosmelan is a fabulous product to treat facial Melasma. It takes two treatments 3 weeks apart to remove the hyperpigmentation from Melasma. Most of my patients have sensitive skin which contributes to their Melasma. It is definitely not a contraindication for Cosmelan therapy. For the best ...