The Philip Kingsley Biotin Boost is a daily hair supplement that works from the inside out to promote maximum hair strength. Developed by the brand’s expert trichologists to provide extra daily nutritional support for your hair, the tablets may contribute to improved hair strength and resilience with a blend of Biotin (Vitamin H), Zinc and Vitamin B12. Ideal for those wanting to optimise hair strength, and those with low protein diets, the hair nutrition formula will provide vitamins and minerals to help strengthen tresses. Suitable for vegans, vegetarians and those who are gluten free.