What Is Polyglutamic Acid? Skin Experts Break It Down
Polyglutamic Acid Is Trending — Does It Deserve a Spot in Your Skin-Care Routine?
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Oskia Rest Day Barrier Repair Balm ($103)
If your skin is throwing a toddler-worthy tantrum, this is the product to get it off the floor and back into its happy place. Polyglutamic acid works alongside soothing colloidal oats, micro-algae, and ceramides to give stressed-out skin a hard reset.