Cleanse and stimulate hair with this natural preservative-free shampoo bar. With natural ingredients such as essential tea tree oil that soothes the scalp, this invigorating shampoo promotes healthy hair and hair growth. With Caffeine Conditioner to gives body and volume to fine lifeless hair and stimulates circulation to the roots and follicles. Great for Travel | TSA Friendly | Cruelty-Free These mighty bars are concentrated bar of shampoo that can outlast two to three bottles of the liquid stuff. Suggested Usage: To use it, wet your hair thoroughly in the shower. Take your shampoo bar and run it over the top of your scalp until you feel enough has been left behind to create a lather. Focus on the length of the hair and ends. Rinse out and feel the soft, silky strands. When you're done: Keep your shampoo bar away from water. Using a soap dish that will keep your soap out of a puddle of water will prolong its life.