Panthenol is a white powdery water-soluble conditioner,also known as Pro-Vitamin B5,which has a super moisturizing effect on skin and hair care products.Adding panthenol vitamin b5 to hair conditioning formulas can increase sheen and shine (and also help improve hair structure).B5 panthenol is the original vitamin (vitamin B5) of DL-pantothenic acid,which plays a key role in human intermediate metabolism.Vitamin B5 deficiency can cause many skin diseases.Panthenol in cosmetics for hair care,skin and nail care.