This innovative serum helps calm the skin with 10% niacinamide and moisturizes with potent humectants for a dewy glow. Ideal for all skin types and all seasons, it reduces redness and blotchiness, is good for rosacea-type conditions, and helps with post-inflammatory hyperpigmentation of healing acne. Marie Veronique′ s Soothing B3 Serum is part of the first collaboration between Kristina Holey, ce..