Laser Research Center, Faculty of Health Sciences, University of Johannesburg, South Africa.
Clin Dermatol. 2019 Jul-Aug;37(4):358-364. doi: 10.1016/j.clindermatol.2019.04.008. Epub 2019 May 3.
Smooth, wrinkle-free skin is associated with supposed attractiveness, youthfulness, and health, while rhytids have a negative impact on one's perceived appearance, image, and self-esteem. Noninvasive esthetic procedures such as laser or light therapy have been used to achieve and attain a more youthful appearance. Currently, there is a wide range of lasers and devices available for the regeneration and healing of skin. Lasers and light sources for skin rejuvenation involve the removal of aged skin tissue via thermal heat from high-powered lasers, stimulating the surrounding tissues to recover through natural wound-healing processes. In contrast, photobiomodulation, which makes use of low energy lasers or light emitting diodes, uses no heat and has shown positive effects in the reduction of wrinkles and improving skin laxity.
光滑、无皱纹的皮肤与吸引力、年轻和健康有关，而皱纹会对一个人的外貌、形象和自尊心产生负面影响。非侵入性的美容程序，如激光或光疗，已被用于实现和获得更年轻的外观。目前，有各种各样的激光和设备可用于皮肤的再生和修复。用于皮肤 rejuvenation 的激光和光源通过高强度激光的热效应去除老化的皮肤组织，通过自然的伤口愈合过程刺激周围组织恢复。相比之下，光生物调节利用低能量激光或发光二极管，不产生热量，并已显示出在减少皱纹和改善皮肤松弛方面的积极效果。
