SMOOTH BOOSTER 0.5OZ. Benefits: Smooths & resurfaces rough & bumpy skin. Exfoliates skin's surface revealing younger looking skin. Safe for sensitive skin. Key Ingredients: Willow bark breaks down into salicin which helps calm redness and irritation while deeply exfoliating skin.. Caviar Lime has natural AHA properties that help increase the speed at which your skin sheds dead skin cells, helping prevent clogged pores and breakouts.. Research Results: 97% saw smoother skin. 100% saw softer skin. 100% had zero reaction in sensitive skin & allergy testing.