Worry no more as we introduce you the Caffeine Hair Rejuvenation Shampoo Bar. While caring with non-toxic and chemical-free 100% organic plants, it naturally renews pigment cells. It provides a versatile hair care as it keeps the scalp healthy and the natural moisture and shine of the hair. It prevents hair loss and gray hair growth by repairing hair follicles, keeping them healthy, soft and shiny. In 4 weeks of continuous use, it stimulates the growth of hair follicles and the attachment of hair follicles to the scalp. It instantly makes your gray hair youthful and vibrant. Get your trust back OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.