Journal of drugs in dermatology : JDD · 2023
Two-Step Skincare Regimen Addressing Aging in Three Unique Geographic Locations: A Prospective, Multi-Center, Open-Label Study.
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Cohen Joel, Palm Melanie, Biesman Brian, Young Morgann, Kononov Tatiana, Zahr Alisar
Аннотация
BACKGROUND: Extrinsic factors including solar radiation and air pollution significantly impact facial skin aging. The efficacy and tolerability of a 2-step skincare regimen consisting of a vitamin C antioxidant serum (VCAS) and a 100% mineral tinted sunscreen moisturizer (TSM) were evaluated in women with hyperpigmented and photodamaged facial skin exposed to beach, mountain, and river-traversed basin city stressors.
METHODS: This was an institutional review board (IRB)-approved, multi-center, prospective, open-label study involving healthy subjects. Thirty-six females aged 35 to 60 years with Fitzpatrick Skin Types I to V and exhibiting moderate to severe hyperpigmentation and moderate photodamage were recruited. The VCAS was applied to the global face twice-daily (morning and evening), and the TSM was applied in the morning with at least 2 reapplications during daily activity for 12 weeks. Clinical grading with a validated scale, standardized photography, and a self-assessment questionnaire were performed at baseline and weeks 4, 8, and 12.
RESULTS: Statistically significant improvements were shown in clinically graded efficacy parameters at weeks 4, 8, and 12. Subjects showed an average improvement of 11.7%, 14.9%, and 19.1% in overall photodamage and an average improvement of 19.5%, 23.4%, and 24.5% in clarity/brightness at weeks 4, 8, and 12, respectively. Forehead lines and cheek lines demonstrated clinically significant improvement from baseline to week 12. Both products were well-tolerated and well-perceived by subjects.
CONCLUSION: The 2-step skincare regimen was well-tolerated and effective in improving extrinsic signs of facial aging induced by solar radiation and air pollution stressors after 12 weeks of use. J Drugs Dermatol. 2023;22(1):16-22. doi:10.36849/JDD.7154.
METHODS: This was an institutional review board (IRB)-approved, multi-center, prospective, open-label study involving healthy subjects. Thirty-six females aged 35 to 60 years with Fitzpatrick Skin Types I to V and exhibiting moderate to severe hyperpigmentation and moderate photodamage were recruited. The VCAS was applied to the global face twice-daily (morning and evening), and the TSM was applied in the morning with at least 2 reapplications during daily activity for 12 weeks. Clinical grading with a validated scale, standardized photography, and a self-assessment questionnaire were performed at baseline and weeks 4, 8, and 12.
RESULTS: Statistically significant improvements were shown in clinically graded efficacy parameters at weeks 4, 8, and 12. Subjects showed an average improvement of 11.7%, 14.9%, and 19.1% in overall photodamage and an average improvement of 19.5%, 23.4%, and 24.5% in clarity/brightness at weeks 4, 8, and 12, respectively. Forehead lines and cheek lines demonstrated clinically significant improvement from baseline to week 12. Both products were well-tolerated and well-perceived by subjects.
CONCLUSION: The 2-step skincare regimen was well-tolerated and effective in improving extrinsic signs of facial aging induced by solar radiation and air pollution stressors after 12 weeks of use. J Drugs Dermatol. 2023;22(1):16-22. doi:10.36849/JDD.7154.