No other product in the world can do all that Tend Skin Liquid does, especially when it comes to ingrown hairs and razor bumps. Razor bumps are created when the growing beard hairs exit the skin, curl over, and burrow into the adjacent skin, resulting in an unsightly bump. Razor bumps form on the beard areas of men-mostly Black men and about 15-20% of Caucasian men. Occurrence varies with nationality. Ingrown Hairs Ingrown hairs form when hairs, growing back after shaving, waxing, electrolysis, or other hair removal method, and fail to grow out of the skin. The hairs curl over inside the follicles under the skin (just like the razor bump hairs curl above the skin). By curling, then creates and unsightly Bump.