How does CSI Collagen Nourish Anti-Wrinkle Serum work? Collagen is the main protein found in connective tissue which gives skin structural support. During the natural aging process, your skin's ability to produce collagen slows, decreasing its firmness. CSI Collagen Nourish Anti-Wrinkle Serum is a unique combination of active peptides and proteins that help maintain skins collagen supply. Why choose CSI Collagen Nourish Anti-Wrinkle Serum? Boosts the synthesis of collagen Protects collagen from degradation and glycation Helps maintain collagen quantity and quality
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