59 citations
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September 2011 in “Lasers in Medical Science” This study concluded that the 800-nm diode laser is effective in enhancing skin structure and collagen expression via the TGF-β/Smad pathway, suggesting potential for non-ablative rejuvenation.
34 citations
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September 2020 in “Clinical, cosmetic and investigational dermatology” This research found that hyaluronic acid increased cell proliferation and type I collagen more effectively than poly-L-lactic acid in both human fibroblast cultures and rat dermis.
1 citations
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December 2025 in “International Journal of Molecular Sciences” This study reported that atelocollagen enhances collagen synthesis and reduces oxidative stress in aged skin by increasing glycine uptake through GlyT1, resulting in improved skin elasticity and collagen density in aged mice, with effects superior to glycine alone.
1 citations
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January 2004 in “Linchuang pifuke zazhi” This study found that dermal hair papilla and sheath cells have lower collagen secretion than fibroblasts, suggesting different functions, and that routine culture medium supports their optimal growth and proliferation.
November 2025 in “Frontiers in Pharmacology” This study observed that both in vitro and in vivo research demonstrated rice bran extract can significantly enhance collagen and elastin synthesis, reduce water loss, and improve skin quality and elasticity, highlighting its potential as a sustainable cosmetic ingredient.