Hoyu Co., Ltd. (Headquarters: Nagoya City, Aichi Prefecture, President & CEO: Yoshihiro Sasaki, hereinafter Hoyu) will launch the scalp care serum "GRAND CARE YS" from "GRAND CARE," a brand from hoyu Professional that addresses the foundation of all hair, at hair salons nationwide starting August 17, 2026 (Mon). Product Overview "GRAND CARE YS" is a scalp care serum formulated with Eriodictyon Angustifolium Leaf/Stem Extract (moisturizing ingredient) derived from Yerba Santa. By incorporating it into your daily scalp care routine twice a day, morning and night, after waking up or after bathing, it promotes a healthy scalp, which is the foundation of your hair. The product will be available in a 95mL bottle and a 190mL refill for continued use. Development Background The condition of hair and scalp gradually changes with age, lifestyle, and daily hair styling. For those who want to continue enjoying their hair styling, maintaining the condition of their scalp and hair daily is an important habit that supports the finish at the hair salon and its subsequent beauty. On the other hand, hair salons are required to propose home care that customers can continue easily, while also catering to the changing needs of each individual customer's hair. "GRAND CARE YS" was planned as a scalp care serum to meet these needs of both customers and hairdressers, by keeping the scalp, the foundation, healthy with daily care. Starting with sales at hair salons, it will be offered as a product that can be easily incorporated into daily care, with proposals on how to use it and support for continued use by hairdressers. Product Features Scalp Care Serum to Keep the Foundation Scalp Healthy "GRAND CARE YS" is a scalp care serum aimed at keeping the scalp and hair, which form the foundation, healthy through daily hair care. It is proposed as a new morning and night routine to enjoy hair styling for longer. Formulated with Moisturizing Ingredients Derived from Yerba Santa Yerba Santa is calle