This study evaluated the skin hydration benefits of a comprehensive skincare regimen providing daily protection against UV to near-infrared radiation and nightly solar repair. The regimen, using RATIONALE’s The Essential Six formulations, was assessed over periods ranging from 28 days to 12 weeks. Results demonstrated measurable improvements in skin hydration, with multiple assessments conducted before and after treatment to validate efficacy.

Title: Skin Hydration Augmentation Following Solar Protective and Repair Skincare Regimen

Focus Formulations: The Essential Six Signature Edition(#1 The Serum, #2 The Light Crème, #3 The Tinted Serum SPF50+, #4 The Cleanser, #5 The Serum, #6 The Night Crème)

Results: This study demonstrates a clear link between improved skin hydration, radiance, and the prevention and repair of solar damage. Daily protection and nightly repair were shown to support skin barrier function and enhance overall skin health. The solar-protective formulations proved safe and effective, delivering measurable improvements in hydration and rejuvenation. These findings highlight the efficacy of a comprehensive, non-invasive approach to achieving radiant, well-hydrated skin.