Are glycols like pentylene glycol soluble in oil?
So The Ordinary released a new product, the Salicylic Acid 2% Anhydrous Solution. The ingredients are as follows:
Squalane, Caprylic/Capric Triglyceride, Pentylene Glycol, Salicylic Acid, Oleic/Linoleic/Linolenic Polyglycerides, 4-t-Butylcyclohexanol, Hydroxymethoxyphenyl Decanone, Phenoxyethanol, Chlorphenesin
I’m intrigued by how this product seems to be oil-based but includes Pentylene Glycol. Is the pentylene glycol oil-soluble or is it kept stable in the formulation by some other ingredient? Also, if it is, is this property similar to other glycols, like glycerin, propylene glycol, or 1,3 propanediol? I was under the impression these are all only water-soluble ingredients. I tried to Google & couldn’t find much on this.
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