In this study, a polyphenol and biotin supplement improved skin roughness and significantly reduced hair shedding, but did not demonstrate clear superiority over placebo in overall skin outcomes.
5 citations
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April 2013 in “Journal of Cosmetic and Laser Therapy” This study found that Argireline significantly reduced the depth of periorbital wrinkles in Chinese subjects and improved skin morphology in aged mice.
11 citations
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April 2021 in “Journal of Clinical Medicine” This study found that long-term use of a home-use LED device for neck skin rejuvenation significantly improved wrinkle appearance and skin biophysical parameters without affecting thyroid function or morphology after 16 weeks of daily use.
11 citations
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January 2005 in “Brazilian Journal of Medical and Biological Research” This study found no qualitative skin differences during development between mutant hairless USP mice and BALB/c mice, except for enlarged cysts in the hairless strain.
1 citations
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July 2025 in “Journal of Cosmetic Dermatology” This review found that lip aging differs significantly from facial aging and suggests focusing on distinct anti-aging strategies for lips, considering gender differences and unique physiological characteristics.