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Cheaper alternatives

The INKEY List CA - Polyglutamic Acid Serum
Price: $13.73
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Boots - Ingredients Polyglutamic Acid Serum
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Product summary

"Skincyclopedia - Face Serum with 3% Polyglutamic Acid" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Humectants (polyglutamic acid 3.30% - 5.00%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.