Serum with 10% Niacinamide with a light and hydrating texture that includes Zinc PCA and Sarcosine , to help correct various skin problems such as pore size, excess sebum and hyperpigmentation spots. For all skin types and the following skin conditions: oily, enlarged pores, acne, and hyperpigmentation spots. INSTRUCTIONS FOR USE Apply a few drops to your face, neck, and décolletage after cleansing, before applying any other product such as emulsion or moisturizer. You can use it morning and night. KEY INGREDIENTSNiacinamide (10%): Niacinamide is a multifunctional superstar ingredient that normalizes pore size, reduces acne breakouts, improves the skins natural protective barrier, and diminishes the appearance of hyperpigmentation.Zinc PCA: Its a combination of antibacterial and sebum-normalizing zinc and the moisturizing molecule PCA found in skin, PCA (stands for pyrrolidone carboxylic acid). Zinc PCA combines the properties of both ingredients, making it a gentle, non-drying ingredient that helps with oily and acne-prone skin.Sarcosine: It is an amino acid-derived ingredient that works as a 5α-reductase inhibitor, helping to normalize sebum production and reduce pore size. INGREDIENTS Aqua (water), Niacinamide, Butylene Glycol (increases penetration of ingredients), Glycereth-26, Zinc PCA (antibacterial), Sarcosine (amino acid), Propanediol, Pentylene Glycol, Xanthan Gum, Ethylhexylglycerin, Phenoxyethanol