Curls Blueberry Bliss Reparative Leave In Conditioner 8ozCurls Blueberry Bliss Reparative Leave In Conditioner 8oz Benefits of Blueberries: Proanthocyanidins, the plant chemical found in blueberries, interacts with hair follicles to accelerate growth and slow down hair graying and loss. Blueberries, rich in vitamin C and B complex are good for increasing hair growth by improving oxygenation and circulation of blood in the body, particularly the scalp. Prevents hair breakage, too little Vitamin C in your