Guhl Shampoo Long-Lasting Volume has been formulated with Blue Lotus and a Biotin-Vitamin B complex to give fine hair more volume and substance. The Blue Lotus provides hair with strength and protection, while the Biotin-Vitamin B complex makes hair fuller. This shampoo gently cleanses and removes residue from hair, and hair feels noticeably fuller and thicker from roots to ends. Concentrated formula - a little goes a long way!