If you find traditional conditioner weight your hair down, you'll love the L'Oréal Paris Elvive Dream Lengths Wonder Water (£10). Its secret ingredient is lamellar water. Lamellar water — which is a L'Oréal Paris patent — and "is a technology that targets the damaged areas of the hair by depositing concentrated active ingredients (such as amino acids and proteins) that are beneficial to repairing strands," cosmetic chemist Esther Olupreviously told POPSUGAR.