CELL-U-PLEX Thicker Fuller Hair Thickening Shampoo Caffeine Energizer 12 oz Energize lifeless hair with Revitalizing Shampoo. This invigorating, purifying shampoo helps to eliminate build-up from hair and scalp to encourage healthy hair growth. Leaves hair noticeably thicker and fuller. Continued usage improves hair's texture and strength, without stripping essential oils. Designed for both men and women, Thicker Fuller Hair is formulated with Cell-U-Plex, a synergistic blend of pure plant extracts, vitamins and protein.