With the widespread popularity of medical skin care technology, people are no longer unfamiliar with laser skin care, and various problems on the skin are no longer as difficult to eliminate as we all thought, next, we will talk to you about those things of laser beauty. What is laser beauty? Lasers are becoming more and more widely used in the cosmetic world. It is a monochromatic light with high energy, precise aggregation and certain penetrating power, which is applied to human tissue to produce high local heat to remove the target tissue for the purpose of live destruction. Is laser cosmetic treatment safe? Laser is known as the “magic light”, it has selective, different wavelengths of laser selective action on different parts of the lesion, can achieve the purpose of removing the lesion without damaging the surrounding normal skin. At the same time, the energy and penetration depth of laser is very limited. So it will not hurt the deep tissue, bone marrow and internal organs. Laser cosmetic surgery is very safe. However, it is important to keep in mind that different types of lasers are used for different lesions and therefore need to be performed in a regular hospital under the guidance of a specialist. What is the best season for treatment? Although it is recommended to avoid sunlight after laser treatment, the treatment cycle usually lasts for several months, so there is no strict requirement for the season. The most important thing is personal protection, such as the use of umbrellas and sunscreen. Sun protection should be observed before and after the treatment, and exposure to the sun or sunbathing is not allowed. What skin problems can laser cosmetic treatment solve? (1) Vascular skin diseases: hemangioma, bright red nevus, facial red blood, spider nevus, rosacea, stretch marks, red scar, red acne marks, etc. (2) Pigmentary diseases: nevus of Ota, freckles, chloasma, coffee spots, age spots, Mongolian spots, brown spots, post-inflammatory pigmentation, tattoo removal, eyebrow tattoo removal, etc. (3) Skin neoplasms: nevus, warty nevus, sweat duct tumor, lid xanthoma, dermatome, wart, skin tumor, etc. (4) Other cosmetic problems: hair removal in various areas, uneven skin tone, large pores, superficial wrinkles, acne pits, scars, etc.