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Polyglutamic Acid and Serine Lungene Glycol are both draws in moisture ingredients. Polyglutamic Acid is found in 12 products while Serine Lungene Glycol appears in 1, making Polyglutamic Acid the more widely used option.
Amino acid polymer — holds 5x more moisture than HA
Glycol-based humectant
Banana Bright+ Instant Glow Moisturizer
Polyglutamic Acid is categorised as "Draws in moisture" while Serine Lungene Glycol is categorised as "Draws in moisture". They serve different functions in skincare formulations.
In most cases, these ingredients can be used together. However, always patch test and introduce new ingredients gradually.
Polyglutamic Acid is found in 12 products, while Serine Lungene Glycol is found in 1 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.