Ingredient Layering
Can I Use Hyaluronic Acid and Polyglutamic Acid Together?
Great Together
Hyaluronic Acid and Polyglutamic Acid work great together!
What You Should Know
- •These ingredients complement each other and can be used in the same routine.
- •Apply in order of thinnest to thickest consistency.
- •Both can be used in the same routine step without conflicts.
Recommended Layering Order
Step 1
Hyaluronic Acid
humectant
Step 2
Polyglutamic Acid
humectant
General rule: apply thinnest/most active ingredients first, thicker/occlusive ingredients last.
humectant
Hyaluronic acid is a naturally occurring molecule that can hold up to 1,000 times its weight in water — a claim that's technically true but slightly misleading in skincare context. It's an excellent humectant that draws moisture to the skin, but works best in humid environments or when sealed with an occlusive.
humectant
The "holds 5,000× its weight in water" flex. Works like hyaluronic acid's richer cousin — sits on top of skin and locks moisture in.
More Layering Combos
What pairs with Hyaluronic Acid?
What pairs with Polyglutamic Acid?
Products Featuring Both Hyaluronic Acid and Polyglutamic Acid
K-Beauty products that combine both actives in a single formula — simpler than layering.
Frequently Asked Questions
Can I use Hyaluronic Acid and Polyglutamic Acid together?
Hyaluronic Acid and Polyglutamic Acid work great together! They can be layered in the same K-beauty routine.
Should I apply Hyaluronic Acid before or after Polyglutamic Acid?
Apply thinnest/most active first. Based on their categories, apply Hyaluronic Acid first, then follow with the other.
Are there products with both Hyaluronic Acid and Polyglutamic Acid?
Yes — we track 1 K-beauty products that feature both Hyaluronic Acid and Polyglutamic Acid as key ingredients. This can be simpler than layering two separate steps.
Is Hyaluronic Acid stronger than Polyglutamic Acid?
Hyaluronic Acid has 4/5 clinical evidence; Polyglutamic Acid has 3/5. Hyaluronic Acid has stronger clinical evidence.