BOOSTING BODY SERUM 4.0FLOZ. Benefits: Ceramides strengthen skin barrier function and fight premature signs of aging. Probiotics support and balance the skin's microbiome. Beneficial nutrients delivered to the deep layers of the skin. Key Ingredients: Ceramides replenish the natural lipids that are lost from exposure to harsh environmental factors, the use of drying products, and during the natural aging process. They help to restore moisture, reinforce the skin's natural barrier, and help protect it against harm from foreign elements.. Niacinamide is known to help promote keratin, a type of protein that keeps your skin firm and healthy. Niacinamide can help your skin improve the production of ceramide (lipid) barrier, which can, in turn, help retain moisture. This is beneficial for all skin types, including mature skin.. This probiotic is known to help with inflammation, retain water for hydration, and can help reduce the appearance of blemishes. It also assists the skin's microbiome in staying balanced and functioning in a healthy state.. :