Daily Use of Facial Broad Spectrum Sunscreen Improves Photoaging
abstract
This abstract is available on the publisher's site.
Access this abstract nowBACKGROUND
Sunscreens are known to protect from sun damage; however, their effects on the reversal of photodamage have been minimally investigated.
OBJECTIVE
The aim of the prospective study was to evaluate the efficacy of a facial sun protection factor (SPF) 30 formulation for the improvement of photodamage during a 1-year use.
METHODS
Thirty-two subjects applied a broad spectrum photostable sunscreen (SPF 30) for 52 weeks to the entire face. Assessments were conducted through dermatologist evaluations and subjects' self-assessment at baseline and then at Weeks 12, 24, 36, and 52.
RESULTS
Clinical evaluations showed that all photoaging parameters improved significantly from baseline as early as Week 12 and the amelioration continued until Week 52. Skin texture, clarity, and mottled and discrete pigmentation were the most improved parameters by the end of the study (40% to 52% improvement from baseline), with 100% of subjects showing improvement in skin clarity and texture.
CONCLUSION
The daily use of a facial broad-spectrum photostable sunscreen may visibly reverse the signs of existing photodamage, in addition to preventing additional sun damage.
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Additional Info
Daily Use of a Facial Broad Spectrum Sunscreen Over One-Year Significantly Improves Clinical Evaluation of Photoaging
Dermatol Surg 2016 Oct 04;[EPub Ahead of Print], M Randhawa, S Wang, JJ Leyden, GO Cula, A Pagnoni, MD SouthallFrom MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
As dermatologists, we are well-versed in the importance of daily sunscreen application. This study not only reaffirms our convictions, but also suggests that daily use of a broad-spectrum sunscreen can visibly reverse the signs of existing photodamage.
The study had 32 participants use a broad-spectrum sunscreen daily for 52 weeks. The participants were instructed not to use any prescription/OTC anti-acne or anti-aging products and also to avoid excessive sun exposure during the study. After 52 weeks, the authors noted significant improvement from baseline in skin surface and pigmentation attributes.
Although the study size is small, and it would be very difficult to guarantee that participants did not use any other products over the 1 year, the results reaffirm the importance of daily sunscreen use.