Product Description Introducing the "Essential Flat" series for caring for wavy and curly hair. With daily use of shampoo and treatment, it makes hair easier to manage and style every day of the year. Achieve a smooth style from roots to tips, even with curly or wavy hair. Volume Reduction The "Volume Down" line helps achieve smooth and less frizzy hair. It includes a treatment designed for managing waves and curls, with damage-repairing ingredients such as lactic acid. Manageable Hair Contains detangling ingredients that soften hair when heat is applied, making it easier to handle. The heat from hair dryers and irons helps to detangle the hair internally, addressing troublesome curls and waves, resulting in a manageable style that stays smooth from roots to tips. Three Product Lineup Essential Flat comes in three varieties: shampoo, treatment, and serum. Shampoo: Cleanses calcium from the hair's interior, making it easier to handle without roughness. Treatment: Infuses detangling ingredients deep into the hair (Isostearyl Glyceryl). Curl/Wave Detangling Serum: A special beauty serum (leave-in treatment) that softens hair internally with the heat from hair irons and dryers, making it easier to manage