LIERAC Anti-Dark Spot Protocol The Serum is a powerful corrector and preventive treatment for all types of dark spots (sun, age, post-acne). It combines pure niacinamide (vitamin B3), stabilized vitamin C, and natural flower acids to visibly reduce the number, size, and intensity of spots. Its lightweight, non-greasy formula contains 93% natural-origin ingredients and is suitable for all skin types, including sensitive. Clinically proven to unify skin tone and reveal a more radiant complexion in just one month. Recommended for use morning and evening for 3 months.