Multifunctional Hair Care Essential Oil ApplicatorThe Hair Care Essential Oil Applicator Scalp Massager has 72 round-tooth combs for intensive scratching and 8 liquid-guiding rollers for squeezing out liquid. It can massage and guide the essential oil while delivering nutrients directly to the hair roots. The ball pressure type evenly discharges liquid, efficiently absorbs, and is non-sticky, non-greasy, and non-wasteful!Powerful Stimulation and Scalp MassageThe scalp oil massage brush simulates hand massage, which is numb and powerful without hurting the scalp. 3 large grabbing and kneading modes awaken healthy hair roots from the roots, adjust the water and oil balance of the scalp, soothe the scalp environment, relax/refresh/massage-comb fluffy hair![IPX7 waterproof and ergonomic design] This hair oiler is completely waterproof and non-slip, can be used for wet and dry hair shampooing and massage, and is easy to hold. It is recommended to rinse the reservoir and the liquid outlet with clean water after each use to avoid clogging. The bottom charging port should not be exposed to water, and the product should be wiped clean and placed in a ventilated and dry place.[Transparent Liquid Flakes and Premium Materials] The hair oil applicator adopts a smart shut-off mechanism, which starts timing after activation and automatically shuts down after 10 minutes. It supports Type-C fast charging, ensuring full charging in just 3 hours. (Note: Please charge for 3 hours before first use. The indicator light will flash when the product is powered off and charging, and the indicator light will remain on after charging is completed.)[Safe and Reliable] The liquid reservoir of the electric hair brush is made of high-grade PCTG to ensure durability. The dispensing head is made of nickel-plated metal copper, while the main body is made of acid- and alkali-resistant TPU, which does not contain heavy metals and does not react with liquids. This ensures wide applicability and safety. However, it is not recommended for highly concentrated or viscous oils and liquids.