Polyglutamic Acid vs Propylene Glycol
Draws in moisture
Polyglutamic Acid
Amino acid polymer — holds 5x more moisture than HA
3 products
Draws in moisture
Propylene Glycol
Moisture-binding humectant and penetration enhancer
303 products
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Amino acid polymer — holds 5x more moisture than HA
Moisture-binding humectant and penetration enhancer
Polyglutamic Acid is categorised as "Draws in moisture" while Propylene 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 3 products, while Propylene Glycol is found in 303 products in our database.
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