Why Visible Light Protection Matters—Especially for Your Patients with Melasma and Deeper Skin Tones
Sun protection isn’t just about UV rays anymore. Visible light, making up nearly half the sunlight spectrum, can worsen hyperpigmentation, particularly in patients with deeper skin tones. This JDD July article features a study that shows that adding iron oxide (FeO)-containing foundation to a daily sun care routine may offer a critical edge, especially for managing melasma and photodamage.
Over 12 weeks, women with Fitzpatrick skin types III–VI using a regimen of SPF50 plus FeO saw measurable improvements in skin tone, texture, and overall appearance. Notably, 36% of melasma patients in the FeO group saw superior gains in skin radiance, compared to zero in the SPF-only group. Early improvement in skin roughness and overall healthy appearance was also seen as early as week 4.
Self-assessments backed the clinical results: participants reported feeling better about their skin and experienced an improved quality of life.
This study underscores a growing clinical insight—UV-only sunscreens may not be enough. For patients with melasma or at risk of dyschromia, visible light protection using FeO-containing products can make a meaningful difference in both appearance and well-being. It’s time to expand the conversation about sun protection—indoors and out.
J Drugs Dermatol. 2025;24(7):662-667. doi:10.36849/JDD.9240
Blog write-up assisted by AI
