Botanical Lab Aloe & Niacinamide Blemish Clarifying serum helps to reduce sebum levels making it a perfect choice for combination or oily skin. Enriched with botanicals, vitamins & salicylic acid, the niacinamide and bha serum works to lift impurities, clarifying skin and helping to reduce breakouts. Niacinamide skin care clarifying serum also contains aloe vera, hyaluronic acid and glycerin to soothe and hydrate your skin. The niacinamide serum helps to strengthen the skin's barrier, improve skin appearance and uneven skin tone.