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A recent study published in Clinical, Cosmetic, and Investigational Dermatology has found that an organic filter-based sunscreen significantly improves skin barrier function and reduces sensitivity in individuals with facial dermatitis or sensitive skin. The research highlights the effectiveness and tolerability of the SPF43 PA+++ sunscreen over an eight-week period.
Key Findings from the Study
The study, conducted at Kangnam Sacred Heart Hospital in Seoul, Korea, involved 15 participants with persistent sensitive skin symptoms. Participants applied the organic filter-based sunscreen twice daily, and researchers evaluated their skin using the Sensitive Scale-10 (SS-10) questionnaire and clinical assessments.
By the eighth week, the following improvements were observed:
- Reduction in Erythema and Skin Lesions: Participants experienced decreased redness, scales, papules, and pustules, particularly on the cheeks.
- Improved Skin Hydration: Stratum corneum hydration (SCH) increased from 69.40 to 79.55.
- Decreased Transepidermal Water Loss (TEWL): TEWL levels dropped from 14.28 to 12.33, indicating enhanced skin barrier function.
Safety and Tolerability
To assess the sunscreen’s hypoallergenic properties, an additional patch test was conducted on 30 individuals. Results showed no significant adverse reactions, confirming the sunscreen’s gentle formulation. The presence of organic UV filters, ceramides, and panthenol contributed to its anti-inflammatory and non-irritating properties. Additionally, participants noted that the sunscreen did not leave a white cast or a sticky residue.
Study Limitations and Future Research
While the study results are promising, researchers acknowledged some limitations, including the small sample size. They emphasized the need for larger studies to validate the long-term safety and efficacy of the sunscreen.
Conclusion
The findings suggest that organic filter-based sunscreens can be a beneficial option for individuals with sensitive skin, providing both protection and skin barrier enhancement. As interest in dermatologically safe skincare continues to grow, further research will help refine formulations to maximize benefits for sensitive skin patients.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Readers should consult a dermatologist or healthcare professional before making changes to their skincare routine.
Source: Dermatology Times
