A notable leader in the hair care industry for 65 years and known as having originated the phrase "bad hair day," Philip Kingsley introduced scalp and hair treatments for all hair textures with a holistic approach. Trichology, the scientific study of the hair and scalp, is at the forefront of every formulation, so this line of products addresses even harsh hair and scalp issues. The complete line includes shampoos, conditioners, scalp mask treatments, volume sprays, toners and supplements.