Strength starts at the root. John Frieda's PROfiller+ Hair Growth Serum is formulated to target hereditary thinning and support fuller, denser hair growth. With clinically backed results in as little as 4 weeks*, this triple-action scalp serum nourishes the scalp and energises follicles for visibly thicker, revitalised strands over time.Clinically proven to improve hair density and support growth*First visible results from 4 weeks*Lightweight, non-greasy formula for daily useEnriched with Capixyl™, Baicapil™, Biotin, Caffeine & Rosemary OilHelps reinforce hair at the root and extend growth cycle95% naturally derived; 97% biodegradable formula**Safe for colour-treated hairVegan formula with 45% PCR plastic bottle*Based on a 34-subject clinical study**Based on OECD guidelines (including water)