General description A brand-new comfortable experience, the Ultimate Hair Rejuvenation Therapy Brush relieves scalp fatigue, maintains clear thinking, and restores the mind. It improves blood circulation in the brain, increases oxygen absorption, and facilitates the regulation of cerebral cortex function. Ideal for those experiencing sub-health and high mental stress, this brush eliminates tension and anxiety, relieves fatigue, and allows the brain to obtain sufficient energy. Technical specifications Material: ABS Color: Black Size: 22 x 9 x 5 cm Weight: 237 g Usage Massaging the scalp protects hair, improves hair follicle metabolism, promotes hair growth, prevents hair loss, and enhances hair shine and softness. The moisturizing massage comb provides hair care, relieves fatigue, and has a soothing effect on neurological headaches, especially migraines. Red light wave function helps massage the scalp, circulate blood, and release emotions while relieving headaches. Blue wave function