Losing hair and being faced with getting older is no fun, so take control and say no to thinning hair with Tough & Tumble 01 CAFFEINE SHAMPOO for extra volume. REVITALIZES & REPAIRS…The Caffeine extract and Biotin will enhance the structure of hair and stimulate hair growth. No parabens, toxins or harmful chemicals, Non-GMO, and is not tested on animals; a worry-free hair regrowth shampoo.