Kerastase Age Premium Bain Substantive - 250ml Enhance the volume of your hair and feel amazing with the Kerastase Age Premium Bain Substantif. Transforming your hair and nourishing it with minerals, it will leave your hair feeling revitalised and thicker, while remaining beautifully light to touch. Combating the signs of mature hair ageing, it protects and supplements your hairy, whilst hydrating your scalp. Using unique Systeme Pro-Supplenium Technology, the derivative calcium offers the support of all essential vitamins: Vitamin F to add substance, Vitamin E to anti-oxidise your hair and a UV filter to protect against harmful sun rays.