Smooth Legs Formula. Moisturize all day; Shave less often. Keri Shave Minimizing Moisture Therapy uses natural botanicals to make hair softer, finer and less noticeable. In as little as 4 weeks, you can shave half as often. With daily use, Keri Smooth Legs Formula: Provides long-lasting moisturization; Makes shaving faster and easier as hair becomes softer and finer; Reduces the need to shave as often; Leaves skin feeling soft, smooth and healthy.