Davines OI Absolute Beautifying Shampoo and Conditioner SET What it is: Particularly suitable for giving hair extraordinary softness, shine and body: it is an ideal treatment before applying oi/all in one milk and oi/oil. What it does: Provides gentle cleansing for all hair types. What else you need to know: For those of us who, ahem, are no longer getting carded, extra TLC is a must for stronger, younger-looking hair. What it is: This conditioner protects the structure of the hair from damage caused by the heat of blow dryers and straighteners or by mechanical stress. What it does: It accelerates the drying process, adding softness, shine and body. What else you need to know: If you use heated styling tools at home or love going to Dominican salons, you need this conditioner to protect against breakage and shedding.