Cuticle Fighter Nika Zemlyanikina remover – alkaline vitaminized. Easily removes keratin on the skin, while softening its living cells. How to use: Apply the product to the cuticle and side ridges with the nozzle of the bottle and leave for 45 seconds for the drug to penetrate ( or a little longer if the cuticle is thick and rough). After the specified time, remove the cuticle and pterygium in any way and be sure to neutralize the remaining product.