Phyto PhytoCyane Revitalizing Thinning Hair Serum combines all the advantages of a growth stimulating treatment with anti-age care. A cocktail of amino acids, B Vitamins and botanical active ingredients (ginkgo biloba extract and viburnum bark) regenerate and tone the hair bulb. Grape seed OPC (procyanidols) protect the hair bulb from free radicals and prevent premature ageing.