Bosley's BosDefense Volumizing Conditioner For Non Color-Treated Hair restores lift and bounce to natural-colored hair. This rinse-away conditioner gives fine and thinning hair a thicker, fuller appearance and complements the actions of BosDefence Volumizing Shampoo.Kelp extract strengthens strands to lower the likelihood of damage due to frequent washing, detangling, and brushing. Use this conditioner daily or as needed to support more voluminous, lustrous locks.