Pure betaine from sugar beet is used in advanced shampoos. It has powerful moisturizing properties. It moisturizes, repairs, and strengthens dry and damaged hair. It helps rebuild the hydrolipid barrier of dry and sensitive scalps. Betaine reduces scalp irritation caused by surfactants found in drugstore shampoos. It strengthens the integrity of keratinocyte connections, improving the scalp's barrier function. It significantly reduces hair breakage and split ends. Betaine binds to damaged areas on the hair's surface, strengthening its internal structure and smoothing the surface. It improves combability and reduces frizz. Betaine penetrates the hair cortex, protecting against damage and improving its structure from within, thus increasing hair's shine and healthy appearance.