Step 1: Flexibility Control [Gran Mellow] Delivers and replenishes care ingredients to melanin cracks and damaged areas. Choose the type that suits your customer's hair and control the hair's flexibility. [External Repair] Transforms coarse, unmanageable adult hair into smooth, healthy, and lustrous hair. [For those with the following hair types:] ・Those with thick, coarse hair who feel a change in their hair. ・Those seeking smoothness and manageability.