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This is important because free radicals are dangerous unstable molecules that are triggered by external factors, like excessive UV exposure and sunburn, pollution, smoking, and ultra-processed foods

Research demonstrates that collagen peptides working through TGF-/Smad3 pathway activation can reduce MMP-3, MMP-13, MMP-2, and MMP-9 activity while increasing procollagen synthesis, attenuating the collagen degradation characteristic of photoaged skin

While our bodies produce it naturally, factors like age, stress, and environmental exposure can lead to a decline in our levels

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Pickart, J Biomater Sci Polym Ed, 2008)