Deep Scalp: Suitable for people with dry hair, dandruff, hair loss, or other hair problems, as an aid to help guests introduce essential oils or other liquids into the scalp, moisturizing the hair and soothing the mood at the same time; essential oils not included in productEssential Oils Bin: Removable essential oil compartment with roller ball for storing 8ml of liquid; by turning the roller ball, the medicine or essential oil is delivered to your hair roots for precise conditioning and to prevent wasted application; hair oil applicator for minoxidil, nutrients, essence, conditioners, essential oils and more3 in 1 Mode Selection: 3 working modes are available,easy to operate, the soft silicone head can prevent hair from pulling and wrapping, and will not harm your scalpPortable and Rechargeable: This electric scalp massager comes with a type c charging cable and can be fully charged in less than two hours; it's about the same size as a regular comb, and it's easy to store, so you can take it with you wherever you goGood Options: As a Christmas, Valentine's Day, Father's Day, Mother's Day,Teachers' Day or Birthday gift for your mom, dad, boyfriend, girlfriend, teacher or friend