BioSilk Silk Therapy Original is weightless leave-in silk replenishing and reconstructing treatment that helps repair, smooth and protect all hair types. IngredientsCyclomethicone, Dimethiconol, SD Alcohol 40-B, C12-15 Alkyl Benzoate, Ethyl Ester of Hydrolyzed Silk, Panthenol, Phenoxyethanol, Methylparaben, Propylparaben, Parfum (Fragrance), Hexyl Cinnamic Aldehyde, Benzyl Benzoate, Linalool, Gamma Methyl Ionone, Citronellol, Lilial, Hydroxy Citronellol, Geraniol, Eugenol. DirectionsShake well before use. Place a small amount of Silk Therapy in the palms and apply from the scalp to the ends. May be used on wet or dry hair or skin. Use as often as necessary.ExpirationThis product has no expiration date or the manufacturer has not provided an expiration date.