The cushion-based nylon bristles glide through the hair easily, combing out tangles effortlessly. The bristles are strong enough to comb through knots, yet flexible enough to be gentle to the scalp. Detangling Spa Brush with flexible nylon bristles. The flexibility of the bristles is specially designed for pain-free detangling, while the soft bristles massage the scalp to stimulate circulation. Perfect for all hair types, wigs and hair with extensions.