Loading...
Butylene Glycol and Polyglutamic Acid are both draws in moisture ingredients. Butylene Glycol is found in 787 products while Polyglutamic Acid appears in 12, making Butylene Glycol the more widely used option.
Lightweight humectant and solvent
Amino acid polymer — holds 5x more moisture than HA
Strength Trainer Peptide Boost Moisturizer
Butylene Glycol is categorised as "Draws in moisture" while Polyglutamic Acid 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.
Butylene Glycol is found in 787 products, while Polyglutamic Acid is found in 12 products in our database.
Some links on this site are affiliate links. We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.
© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.