butylene glycol

Miscellaneous , Slip Agents

Commonly-used ingredient that has multiple functions in cosmetics, including as a slip agent and a penetration enhancer. It’s similar to propylene glycol, but has a lighter texture. The Cosmetic Ingredient Review board has evaluated several toxicology tests and other research concerning butylene glycol and has determined it is safe as used in cosmetics products. [1, 2] The U.S. Food and Drug Administration (FDA) has even determined that butylene glycol is safe as a food additive. [3]

References Cited:

  1. Cosmetic Ingredient Review Expert Panel. Final Report of the Cosmetic Ingredient Review Expert Panel: Amended Safety Assessment of Cocos Nucifera (Coconut) Oil, Coconut Acid, Hydrogenated Coconut Acid, Hydrogenated Coconut Oil, and its Derivatives. [Internet]. 2008 [cited 2015 July].
  2. Final Report on the Safety Assessment of Butylene Glycol, Hexylene Glycol, Ethoxydiglycol, and Dipropylene Glycol. JAm Coll Toxicol 1985; 2:223–248.
  3. Code of Federal Regulations. 21CFR172.712. [Internet]. [cited 2015 October] Available from: http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.712&SearchTerm=butylene%20glycol
See propylene glycol

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Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

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