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Prager et al., 2015

When repair falls short, tissue integrity is still at least initially maintained by independent stress-response mechanisms as apoptosis and cellular senescence(de Keizer, 2017)

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Morning (all days): Gentle cleanser Antioxidant serum Moisturizer Sunscreen Evening (retinoid nights, 3x weekly): Gentle cleanser Wait for skin to dry completely Retinoid product Wait 20-30 minutes Moisturizer Evening (copper peptide nights, 4x weekly): Gentle cleanser Copper peptide serum Additional hydrating serums Moisturizer Alternating nights prevents retinoid-copper peptide interactions while delivering both ingredients benefits across the week