Do Red Light Hats Help With Hair Growth? Trichologists Explain。The Red Light Therapy Hair Care Cap is a portable and convenient solution for promoting healthier hair. Utilizing advanced red light technology, this cap is designed to improve scalp health, stimulate hair follicles, and support hair growth. It\'s lightweight and easy to carry, making it perfect for on-the-go use, whether you\'re traveling or just relaxing at home. With its sleek and compact design, you can enjoy professional-grade hair therapy anywhere. Ideal for those looking to strengthen their hair and boost overall scalp vitality with minimal effort. - For the technical Specifications, please refer to the image below. - The total number of LEDs and Red/NIR split is 650 nm - The power/irradiance at scalp level (mW/cm²) and energy per 15–20 min session (J/cm²) is 25(mW/cm²) - for the battery capacity (mAh), a USB cable is inserted directly, and needs to be plugged in continuously for use. - For the coverage area (cm²) of the cap, kindly refer to the image below.