1. The discharge of liquid will be affected by comb speed and force, we would recommended that users comb their hair at a slow speed and apply a little force to ensure the normal discharge of liquid from the serum cabin. 2. Since this product discharges liquid by gravity, when using the side scalp massage, in order to ensure smooth discharge of liquid, you can slightly tilt your head to ensure that the liquid diversion column and the scalp fit well;.

1. Do not use if you have undergone surgery on the massaged part or have skin damage, redness, inflammation, congestion, and other symptoms.
2. People with heart disease or medical history, acute disease patients, skin disease patients, malignant tumor patients, bleeding tendency and other blood diseases, osteoporosis, soft tissue diseases, stroke, and other physical abnormalities should not be used.
3. Do not use it if you have slow movement, physical and mental discomfort, or intellectual. If you need to use it, please follow the doctor's advice.
4. Pregnant women and menstrual period are not recommended to use the massager. If you nnes to use it, please follow the doctor's advice.

Yes, our brush is designed to be gentle on hair, even when it's wet. However, we recommend being gentle when brushing wet hair to avoid breakage.

Yes, our brush is designed to work with all hair types, including curly, straight, and color-treated hair.

BATTERY LIFE: 2.5 hrs
MATERIALS: ABS (housing), nylon (comb), aluminum alloy (handle bottom trim), PC (back cover trim piece)
CHARGING TIME:6 hrs
INPUT:5V⎓
NET WEIGHT:250 g
CHARGING PORT:Micro USB
DIMENSION: L10.04 x W10.43 x H3.54 (in)
BATTERY CAPACITY:1600 mAh
ACCESSORIES: Adaptor / charging cable
POWER RATING: 5 W