Product description Feature: 1. Ideal for hair thinning, laser light energy can directly target hair follicles, promote hair growth, restore hair growth cycle and increase density and fullness. 2. 3 adjustable gears, meet your different needs, USB interface, no ultraviolet ray, no skin damage, can be used with confidence. 3. Suitable for seborrheic alopecia, hereditary alopecia, post-implantation alopecia, stress alopecia, alopecia areata, postpartum alopecia, poor quality hair (oily, itchy, dry). 4. It can regulate oil secretion, nourish hair follicles, take care of the scalp and create a good environment for hair growth. 5. There are 30 soft massage contacts, which massage important acupuncture points on the head, promote blood circulation in the scalp layer and relax the head. How to use: Step 1: Start from the top of the head 1. Start at the top of the head to fit the top of the head. 2. Press lightly to fit. 3. At the same time, slowly move from the crown of the head to the hairline. Step 2: forehead 1. Fit the forehead from the hairline. 2. Go from the center of the forehead to the ears. Step 3: Side of the Head 1. Stick to the side of your head. 2. Move in the order of the temples — around the ears — behind the ears On the side of the head, it is easier to feel the stimulation of the electric current than on the top of the head. Please check the strength of the electric current before using it. If the stimulation is too strong, you can lower the force level. Step 4: Back of the Head 1. The lower part of the back of the head is roughly divided into upper and lower parts, ins Ingredients default