Best Ingredients to Tighten Your Skin
The 6 Best Ingredients to Tighten Your Skin
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"Another up-and-coming ingredient is PGA (PolyGlutamic Acid), which is naturally found in the skin and actually holds 10 times more moisture than hyaluronic acid," said Pollock. "You will see this ingredient appearing in more and more dermatological-type products to help hydrate and firm the skin."
Try Amore Pacific SPF30 Future Response Age Defense Crème ($195), which contains PGA along with green tea and pine mushroom.