Decrease in sebum production: this slows down the secretory activity of sebaceous glands. Control of bacterial proliferation: this inhibits the growth and reproduction of the strains making up the skin flora, which may infect blocked pilosebaceous canals. Less redness and epidermal swelling: this reduces and soothes the intensity of the inflammatory process of acne outbreaks. Lightening of post-acne hyperpigmentation: this improves the appearance of hyperpigmented areas of skin after an acne outbreak.