One of the common reader requests I get is for “toxic” ingredient breakdowns, so today I’m looking at two ingredients that are commonly on “avoid” lists: propylene and butylene glycol. What are propylene and butylene glycol? Glycols in chemistry are ingredients that contain two OH (alcohol) groups. Propylene glycol contains 3 carbon atoms, while butylene…
The Pros and Cons of Accutane (Isotretinoin) for Acne
This is a guest post from Facing Acne. In the history of acne treatments, there has never been a medication that has caused more controversy than Accutane. There is also no treatment that has ever produced such startling results. For this reason, Accutane has both its passionate defenders and its equally passionate detractors. The choice…
Are unsaturated oils bad for your skin?
An article by Beautyeditor (now rebranded as The Skincare Edit) recently came to my attention, thanks to some readers who pointed me in its direction. In it, she blames polyunsaturated oils for aging, tells you to avoid them in your skincare AND diet, and tells you to use saturated fatty acids (in particular squalane) instead….
Should You Be Avoiding Parabens? The Science
Much like “organic” and “all-natural”, “paraben-free” is one of those phrases you’ll see displayed prominently on increasing numbers of skincare and beauty products. What are parabens, what health effects do they have, and should you be avoiding them? Here’s the science behind the marketing. (I’ve written a much simpler rundown of parabens here, if you…
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