Cosmetics Ingredients Are Not All the Same
One of the things I wanted to point out in this post is that not all ingredients are the same even if they have the same name.
Cosmetic Science Basics – Silicones
The vast majority of cosmetic raw materials are based on hydrocarbons.
What is Wrong With a Cosmetic Company Caving to Fearmongers?
As a scientist, I have a real problem with capitulating to non-science based conclusions about chemicals. If an ingredient is unsafe, then by all means get rid of it. But if it is safe, publicly reformulating is a mistake.
Will Shark Skin Studies Lead to New Sunscreens?
Scientists have been investigating the effects of UV radiation on shark skin and have found that while their skin changes color from light to dark (sharks can tan, who knew) they don’t experience melanoma.
How Do Alpha Hydroxy Acids Work?
Alpha hydroxy acids (AHA) are one such active that works. But the exact mechanism by which they work has been unknown. At least until now.
Penetration of Cosmetic Ingredients
Penetration seems to be an important characteristic of cosmetics but have you ever thought about why anyone would want a cosmetic ingredient to “penetrate”?
10 Things the Toxic Makeup Patrol Should Learn
Here are a number of claims that the Toxic Makeup Patrol makes that are just mistaken.
The 10 Most Misleading Cosmetic Claims
Here is a list of 10 of the most misleading cosmetic claims that I could find.
How Do Cosmetic Raw Materials Get Their Names?
While many chemical names in the INCI seem arbitrary, there are some standard rules. The following will help you make heads or tails out of the ingredients on most LOIs.
Why Does Salt Thicken Shampoos?
It turns out there is a range of salt concentrations at which a shampoo formula will get thicker or thinner.







