Natural cosmetic preservative ingredients and strategies
One of the most common type of questions we get asked here on Chemists Corner is about natural preservatives. On the one hand this is…
What is the best ingredient to use?
On a few occasions we’ve gotten a question that goes something like this…. “What is the best preservative to use?” or “What is the best…
How to Prevent Contamination in Cosmetic Products
This recent article about scientists discovering bacteria living in hairspray provides a good example of why cosmetic products need to be preserved. Microbes can grow…
Natural Preservatives in Cosmetics – A Trend
This is a post by Nitesh Rajput Cosmetic products become easily contaminated by bacteria and fungi. Containing water, oils, peptides, and carbohydrates, cosmetics are a…
The cure for contaminated cosmetic manufacturing equipment?
A big problem for contract manufacturers and finished goods makers in general is the development of a contaminating biofilm on the manufacturing equipment. Even after…
Preservative free cosmetic formulating – How to make them
There was an interesting question posed on the cosmetic science forum the other day. The forum member wanted to know whether they could still call…
Microbial Enumerations Tests – What Every Cosmetic Chemist Should Know about USP 61
This is a guest post by Rachelle Baker, Lab Manager, Cosmetic Test Labs Microbial contamination of cosmetic and personal care products is a frequent concern within…
What is driving the development of alternative preservatives?
Here’s an article which claims that paraben-free cosmetics are gaining popularity. They say that it is due to consumer demand but I suspect there are…