Brand New Without Tags Lightweight OI All In One Milk is a multi-function leave-in spray treatment that softens, detangles, controls frizz and protects the hair from heat. 135 ml or 4.56 fl oz Lightweight with a detangling and moisturizing effect, the OI All In One Milk is a hydrating hair milk with multi-functional properties. This leave-in spray softens the hair and helps manage frizz. Our hair milk can be sprayed onto towel-dried hair or vaporized onto the hands, then distributed throughout the hair for long lasting hydration and a shiny finish. Apply 10-15 sprays to washed, towel-dried hair. Do not rinse, and proceed with styling. It is possible to apply the product as a moisturizing finish, vaporizing it directly on the hands and then distributing it evenly on the hair, if they are particularly dehydrated.