Safe and Whole Body Use: You don't have to worry about safe use. Follow the instructions in the manual to use IPL hair removal correctly and you will help achieve the effect of faster hair removal. The light-colored hair removal system is particularly effective for black, dark brown, medium brown or light brown hair. It is not effective for blonde, red, or gray hair. In addition, this product is not suitable for dark skin.Wide range of applications: Laser hair removal equipment can be used to remove facial hair (upper lip, chin) and body parts (legs, arms, armpits, bikinis, etc.). It can be used effectively on dark blonde, natural colored, brown and black hair, as well as white, ivory, beige and light brown skin. Warning: Do not apply on white, gray, blonde and red hair, nor on dark brown and black skin.Optimal frequency of use: The treatment of the epilation cycle lasts 6 to 12 weeks, 2 to 3 times per week for the first 4 weeks; then irradiation once or twice a week for the last 4 weeks to obtain obvious results. Special attention: The actions must be carried out alternately for each irradiation to avoid burns; the processing time and the number of contacts should be reduced or increased as appropriate.Switchable "flash" mode: a single flash for hair removal of small areas, such as specific areas such as the face, ridges and bikini lines. A continuous click on "Flash" can be used for fast and effective hair removal on large areas, such as legs, arms, abdomen, chest and back.Efficient and durable equipment: the higher the energy setting, the better the effect of the treatment. But in practice, you have to choose the most suitable among the 5 energy levels according to your own situation in order to bring you a comfortable and pleasant experience. High quality quartz has a strong light of 600,000 and has been used for 25 years to ensure sufficient lifespan.