SkinCeuticals Metacell Renewal B3 is a lightweight daily emulsion formulated to improve early signs of photoaging and support skin barrier function. Key actives include 5% niacinamide (vitamin B3), a firming tripeptide concentrate, and a high concentration of glycerin, delivered in an aqueous emulsion designed for rapid absorption and hydration. The formula increases cell turnover to help smooth texture and reduce the visible appearance of fine lines and surface irregularities while helping to re-clarify and even skin tone. Benefits include strengthening and restoring the moisture barrier, improving skin laxity, and helping to minimize blotchiness and discoloration associated with early aging. The texture is lightweight and non-greasy, intended for daily use. Recommended application is to apply to cleansed skin as part of a morning and/or evening regimen; follow with sunscreen during daytime use. Suitability: formulated for a broad range of skin types, including normal, dry, combination, oily, and sensitive skin, and can be incorporated into regimens targeting dehydration, uneven texture, early photoaging, and loss of firmness. Promotes skin renewal and increases cell turnover to improve texture, firmness, and reduce signs of photoaging. 5% niacinamide (Vitamin B3) reduces discoloration and strengthens the skin's moisture barrier. Targets early photoaging: uneven tone, blotchiness, fine lines and texture. Light aqueous emulsion with a silky, non-greasy finish that absorbs quickly. Clinically shown to strengthen skin barrier and improve tone; dermatologist-recommended. important information This product is for external use only