■ In-Shower Scalp Gua Sha Premium Black The "In-Shower Premium Black Series" is the highest-end model in the in-shower series, offering antibacterial properties designed for storage in the bathroom, as well as carefully selected materials for even gentler hair care. (Can also be used out of the shower.) The scalp gua sha model is convenient not only for combing hair but also for comfortably stimulating stiff scalp and facial muscles. Massaging the scalp removes dirt from pores and increases hair volume. Furthermore, it can be used on the face for refreshing facial care. This is a used item, having been used several times. Please purchase only if you are comfortable with this.