Effectively treats acne. Penetrates pores to control acne blemishes, blackheads and whiteheads. Helps to keep new acne blemishes from forming. Micro-Smooth Technology™ is our special ingredient blend that combines micronized benzoyl peroxide, bisabolol, and sodium hyaluronate. Micronized benzoyl peroxide penetrates deeper than traditional forms of BPO, making it even more effective. Soothing and calming ingredients making the formula less drying and irritating.