Red light therapy: Use red light of a specific wavelength to irradiate the scalp, stimulate hair follicle activity, promote blood circulation in the scalp, help hair growth, and reduce hair loss. Scalp massage: The built-in massage comb design simulates professional massage techniques to help relax the scalp, relieve stress, and promote scalp health. Hair growth essence introduction: A specially designed introduction function that can be used with hair growth essence to help ingredients penetrate into the scalp and hair follicles more effectively. Anti-hair loss and healthy hair: Long-term use can help improve the scalp environment, enhance the hair's ability to resist hair loss, and promote healthy hair growth. Convenient operation: One-button operation design, simple and easy to use, suitable for people of all ages. How to use: Clean the scalp and make sure the scalp and hair are dry. Apply the hair growth essence evenly on the scalp. Turn on the red light hair growth device and select the appropriate massage mode. Use the massage comb to gently comb the scalp to that the red light is irradiated to each area that needs treatment. Adjust the massage time and red light intensity according to personal comfort. After use, turn off the device and clean the comb teeth. (Health care auxiliary function, cannot replace medical use) Colour:Red Material:Plastic Package Contents: 1x Electric massage comb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.