Features: -It uses red light waves to act 3-5mm deep into the roots of hair follicles, helping to regulate the water and oil balance in the scalp, and saying goodbye to itching and hair loss. -There is a compartment in the middle to add essential oil, allowing you to evenly and easily apply the essential oil while massaging your scalp, promoting optimal absorption of the essential oil. -It has a smart shut-off mechanism that starts counting time after activation and automatically shuts after 10 minutes. -It is light, portable and easy to use at home, work, travel, etc., anytime, anywhere. -Suitable for everyone, it is the best gift for all festivals, suitable for family, friends, relatives and lovers. | Nordara Unisex Electric Scalp Massager Comb: Red Light & Brush in Black