Dentinox Cradle Cap Shampoo (125ml). Dentinox Cradle Cap Shampoo contains the active ingredients sodium lauryl ether sulfo-succinate and sodium lauryl ether sulfate, which belong to a group of medicines called cleansing surfactants. These cleansers have been shown to be effective in the treatment of cradle cap.. Dentinox Cradle Cap Treatment Shampoo is for the treatment of infant cradle cap, and general care of infant scalp and hair.. This shampoo is suitable to use from birth onwards.