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It also performs a dual action that distinguishes it from simple collagen-boosting ingredients: it upregulates the matrix metalloproteinases (MMP-1 and MMP-2) that clear damaged collagen, while simultaneously upregulating tissue inhibitors (TIMP-1) that prevent excessive degradation [3]
Concludes that GHK demonstrates effectiveness for skin anti-aging and regeneration applications with an established safety profile in topical use
This process is also known as cell turnover and is aided by exfoliation
Many users find the best results by taking glutathione in the morning on an empty stomach, about 20 to 30 minutes before breakfast
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