Giovanni Biotin and Collagen Strengthening Shampoo Size:13.5 oz then apply in sections evenly

then apply in sections evenly working through damp hair

At high speed

then gradually add the crystals

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48-month manufacturer warranty

Giovanni Biotin and Collagen Strengthening Shampoo Size:13.5 oz then apply in sections evenlyGiovanni Biotin and Collagen Strengthening Shampoo Great hair starts here! Help strengthen your tresses with Vitamins that embrace each strand, while Collagen and Biotin work together to help thicken and smooth each hair. leaving an incredible hair texture. Transform your tresses while restoring and providing the consistency needed to finally achieve full volume. Silky and healthy looking hair never looked this beautiful. Benefits: For all hair types