Ingredient or product comparison

The INKEY List Polyglutamic Acid Hydrating Serum Versus The INKEY List Collagen Peptide Serum

This hydrating serum is formulated around Polyglutamic Acid to hydrate skin and strengthen the skin barrier. This anti-aging serum is formulated around Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and refine skin texture.

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