We have a lifetime warranty since you buy our scalp massage shampoo brush. If you have any questions or any quality problem, please feel free to contact us on the order detail page for a free replacement or a full refund!. The scalp massager hairbrush has an ergonomically designed non-slip handle, perfectly fits in your hand and is easy to hold when using shampoo and conditioner to brush your hair. Uneven soft silicone bristles perfectly fit your scalp, there is no greater feeling in the world than a scalp massage!. No need to worry about your long nails or sensitive scalp. The scalp massager fits for those who have long and manicured nails, you won't damage your manicure during washing hair anymore. You can also use this hair shampoo brush if you have a sensitive scalp or seborrheic dermatitis. Made of safe premium ABS and soft silicone materials, it perfectly fits you if you're a man or a woman, an adult or a child, whether your hair is wet, dry, oily, long, short, thick, thin, rough, fine, curly or straight. Its practical function makes it the perfect GIFT for anyone you love. Scalp massager with soft thick silicone is deep-reaching, making the most of your shampoo and conditioner, helping distribute your hair care products directly to your roots. Deeply remove the dust, oil, dandruff and dirt, create healthy scalp and shiny hair, reduce hair breakage, relieve stress, relax muscles, increase circulation, relieve hair loss and promote hair growth.