Use hydrating, non-photosensitizing formulas before and after sessions. Peptides, hyaluronic acid, and niacinamide pair well with red light. Avoid retinoids, AHAs, and BHAs immediately before treatment. Post-session, reach for ceramide-rich moisturizers to restore the skin barrier. If you're a brand formulating LED-compatible products, AJ Cosmo Labs connects you with cosmetic chemists who specialize in photostable actives.
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