LED光疗如何通过光生物调节影响皮肤？本文基于国际权威期刊研究，客观解析红光促进胶原蛋白生成、蓝光抗菌祛痘的科学机制，同时揭示疗效差异、使用局限及安全性问题，帮助您建立理性认知。This article provides an evidence-based review of LED photobiomodulation effects on skin, covering the mechanisms of red light-induced collagen synthesis and blue light’s antibacterial action against acne, while addressing individual variability, safety profiles, and clinical limitations.