Science-backed Korean hair care targeting scalp health at the root — best known for the viral Grow Turn Exosome Brush Ampoule (Korean hair loss serum with 38-bristle scalp applicator) — featuring the Grow Turn 3D Volume Shampoo, Scalp Turn Cica PDRN Deep Clean Shampoo, and Grow Turn Exosome Capsule Treatment, all formulated with nano-exosomes, vegan PDRN, and biotech ingredients to treat hair loss, thinning, and scalp irritation.