Salerm Silk Touch Extra Shine 2.36 oz. Salerm Silk Touch Extra Shine is a lightweight hair serum that adds extra shine and softness to hair. It contains natural silk proteins and Vitamin E to nourish and protect hair from damage. Suitable for all hair types, this serum helps to detangle hair and reduce frizz. Its non-greasy formula is easy to apply and gives hair a silky, smooth finish.