The effect of blue light on the scalp and hair follicles

Solar radiation and blue light, which is high-energy visible light, penetrate deep into the scalp, causing oxidative stress, inflammation, hair growth cycle disorders, and also cell damage. This leads to hair loss, dry skin, microbiome dysbiosis, and photoaging. The article aimed to analyze the potential biological mechanisms associated with the effects of blue light on the scalp and hair follicles. In particular, the study focused on oxidative stress, morphological changes in hair follicle cells, and the consequences of long-term exposure, which may affect regeneration processes and disrupt the natural hair growth cycle. Protective strategies, including antioxidants, filters, and limiting exposure to light, are of key importance.