Hi, Thanks for sharing your photo and question. This is quite normal. It will settle in due course of time. You can use hydra vital K if burning is unbearable. Good luck.
Cosmelan is red and somewhat painful for 2 weeks or longer. you sould be on the right aftercare. Hyperpigmentation from any type needs a combination approach of peels like cosmelan, lasers like clear and brilliant and aerolase or laser genesis, radiofrequency like venus viva, and cons...
That is a great question. The answer does depend a bit on your skin type. If you have a resistant area of melasma, you may actually apply the cosmelan mask, in that are only, as early as one month. You should not wear it for the entire length of time as you did with the original mask....