polyglutamic acid

  • Ingredient Highlight – Polyglutamic acid

    Hyaluronic acid is a popular ingredient for a reason. This powerful and well-tolerated humectant is suitable for all skin types. Likewise, it is a widely available ingredient that can be found in skincare products at any price point. But another humectant on the market is generating a lot of buzz – Polyglutamic acid. What is…

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