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Butylene Glycol and Polybutylene Glycol/Ppg-9/1 Copolymer are both draws in moisture ingredients. Butylene Glycol is found in 1094 products while Polybutylene Glycol/Ppg-9/1 Copolymer appears in 1, making Butylene Glycol the more widely used option.
Lightweight humectant and solvent
Glycol-based humectant
Butylene Glycol is categorised as "Draws in moisture" while Polybutylene Glycol/Ppg-9/1 Copolymer 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 1094 products, while Polybutylene Glycol/Ppg-9/1 Copolymer is found in 1 products in our database.
Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.