12 citations
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September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
6 citations
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April 2022 in “Journal of diabetes research” Type 2 diabetes slows down skin and hair renewal by blocking important stem cell activation in mice.
35 citations
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January 1981
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.
4 citations
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October 2021 in “Journal of Clinical Medicine” Carriers of a specific gene mutation have subtle skin changes without visible symptoms.
6 citations
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July 2024 in “Journal of Cosmetic Dermatology” The composition effectively reduces facial pores by improving skin structure and function.
20 citations
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January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
147 citations
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September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
1 citations
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September 2012 in “Journal of Investigative Dermatology” Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.