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      learn Exosomes

      Microscopic delivery system that sends growth-promoting signals to hair follicles

      learn Follistatin

      glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

      learn Stemoxydine

      chemical from L'Oreal that encourages hair to enter growth phase

      learn Hair Fibers

      cosmetic product that temporarily makes hair appear thicker