#1 Dermatologist & Pharmacist Recommended Brand. Salicylic Acid. Effectively Removes Warts. Waterproof. Safe for Use on Kids 3+. 3 in 1 Treats, Cushions, Conceals. Use:. For the removal of common and plantar warts. The common wart is easily recognized by the rough "cauliflower-like" appearance of the surface. The plantar wart is recognized by its location only on the bottom of the foot, its tenderness and interruption of the footprint pattern.