The Goldwell Dualsenses Scalp Specialist Anti-Hair Loss Serum helps to thicken the appearance of hair for fuller-looking, voluminous strands.Powered by T-Flavanone technology, the serum works to visibly strengthen hair fibres to minimise the risk of snapping and breakage. Willow bark extract exfoliates the scalp to remove any dead skin cells or build-up that may be blocking the hair follicle. Caffeine and panthenol invigorate and nourish the scalp to promote optimal conditions for healthy hair.Colour safe.