Total acne care with 15% niacinamide Highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. *Non-comedogenic tested -doesn't clog the pores. Clinical Results in 4 weeks Suitable for acne prone skin use (Non-comedogenic) - 45.27% improvement of activated sebaceous glands - 48.07% improvement of oil synthesis amount - 42.72% improvement of number of blackheads - 50% improvement of number of whiteheads - 15.50% improvement of (hidden melasma and blemishes) - 19.47% improvement of pigmentation (visible melasma and blemishes) - 2.59% improvement of triple-complexion skin tone (brightness) - 24.89% improvement of triple-complexion skin tone (redness) - 11.73% improvement of triple-complexion skin tone (yellowness) *Based on clinical trials of 20 subjects. *Dermacosmetic Skin Science Laboratory Co., Ltd.