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Cosmetic Ingredient Archive: Butylene Glycol

Butylene Glycol, Butane-1,3-diol

1. INCI name

Butylene Glycol

2. Molecular formula

C4H10O2

3. CAS number

107-88-0

4. EC Number

203-529-7

5. EWG grade

  • Score: 1
  • Data availability: Limited (The data is not reliable)

6. Origin

Synthetic

7. Function

  • Fragrance ingredient, perfuming
  • Skin conditioning agent
  • Solvent
  • Viscosity decreasing/controlling agent
  • Humectant

8. Regulatory status(countries)

None

9. Property

  • Boiling Point: 207℃
  • Melting Point: -77℃

10. Remark

How is it made?

It is an ingredient made of a substance from fatty acids extracted by fermenting sugar cane.

What is Butylene Glycol often used for?

It is mainly used as a moisturizer. Alcohol usually evaporates moisture on the skin quickly, but butylene glycol has a large molecular size unlike other alcohols, which attracts moisture.

Therefore, when used as a cosmetic, it has the effect of making the skin soft and hydrated through moisturizing.

However, if we are talking about only moisturizing, in fact, there are many better ingredients than butylene gylcol. 

Nevertheless, butylene glycol is preferred because it has great solubility that melts many ingredients mixed with other cosmetic ingredients together.

Source

- https://www.ewg.org/skindeep/
Location: South Korea

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