Phyto phytocyane revitalizing thinning hair serum stimulates scalp microcirculation and provides all the nutrients to jump start healthy new growth while increasing the thickness of each hair strand delays the appearance of grey hairkey benefits of phyto phytocyane revitalizing thinning hair serum stimulates microcirculation provides nutrients for new hair growth increases thickness of each hair strandactive ingredients ginkgo biloba and viburnum bark extracts grape procyanidins tyrosine