Roots Contour Comb C1 have rounded teeth that massage the scalp and stimulate natural oils in the hair cuticles. This keeps scales smooth, so hair stays strong and healthy.The curved spine of the contour combs naturally follow the contours of the head for greater comfort. The unique scoop action of the comb gives the user more control of different hair length and textures. This comb is specially designed for optimum coverage on the head. This unique, curved comb glides through more effectively and makes styling faster. Its teeth have soft and rounded ends so while they stimulate the natural oils that nourish hair follicles for healthy hair growth. This comb is also very gentle on the scalp. Since there are no seams between the teeth, they don't damage the hair cuticle and cause split ends. This is a long hair comb.