Tendskin Roll On Ingrowing Hair Solution This roll on ingrowing hair solution from Tendskin is the original ingrown hair solution in a handy refillable roll on. No other product in the world can do all that Tend Skin Liquid does especially when it comes to ingrown hairs & razor bumps. Benefits: Prevents ingrown hairs Suitable for use after shaving waxing & electrolysis Use on mens faces & necks womens legs underarms & bikini lines.