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. 2021 Aug 13;22(6):819–828. doi: 10.1007/s40257-021-00632-5
The perception of sunscreen use has shifted from purely protecting against ultraviolet (UV)-induced erythema to broad-spectrum protection against not only erythema but also photoaging, dyspigmentation, DNA damage, and photocarcinogenesis.
Evidence suggests that visible light and infrared light may play a role in photoaging and should be considered when choosing a sunscreen. A broad-spectrum tinted sunscreen with sun protection factor (SPF) ≥ 30 used daily will offer protection against UV radiation and visible light to reduce their effects on photoaging.
Sunscreen additives such as antioxidants, photolyases, and more have not only opened the door to improved photoprotection against skin aging but also the exploration of newer theories in the reversal of skin aging, but larger-scale and replicable studies are needed before clinical guidelines can be issued.