dl-Panthenol (Panthenol) is a versatile and highly beneficial ingredient widely celebrated in cosmetics for its remarkable properties. This white, crystalline powder is not only highly soluble in water and alcohol but also easily incorporated into the aqueous phase of formulations, making it a popular choice for various products. It performs best in a pH range of 4 to 7, with an optimum pH of 6, ensuring stability in a variety of skincare applications. Known for its ability to deeply hydrate and soothe the skin, Panthenol acts as a pro-vitamin B5, promoting skin barrier repair and enhancing moisture retention. Ideal usage rates range from 1-5%, depending on the specific formulation needs, allowing for flexible incorporation into creams, lotions, and serums aimed at improving skin texture and hydration.