Hypoallergenic Is A Meaningless Claim
Hypoallergenic is a meaningless claim.
preservatives
Can you use honey as a natural preservative in face masks?
Can honey be used as a natural preservative in products like face masks?
Sodium Benzoate
Sodium benzoate is an okay preservative but a first class lesson in the history of organic chemistry.
Are Floral Waters A Health Hazard?
I think this is a universal truth, but it is certainly true in labs. The most stressful role is middle management. I enjoyed my time as a bench chemist doing the actual work. I enjoy supervising projects at a higher level. But most of my bad memories of my career are when I was in …
Are Other People’s Perfumes A Problem?
Is it true that other people’s fragrances can cause allergic reactions.
Silver Citrate
I don’t think that animal testing works the way some people commentating on the internet appear to think it works. This was brought home to me when I was asked a question about a new preservative material called silver citrate. It is one that might appeal to the lovers of natural because both silver …
P&G Offers More Clarity On Which Preservatives It Uses
Preservatives in cosmetic products are a problem and will remain so until the way they are made and used changes significantly. I imagine someone somewhere is working on a project to create cosmetics in a small machine which you can programme with your favourite recipes. That would enable people to choose their own preservative option …
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The Epidemic of Methylisothiazolinone
There’s a new paper out with some numbers from dermatology clinics about reactions to methylisothiazolinone (MI). Dermatologists regularly patch test people to discover what they are allergic to. This involves applying a set of common materials that tend to provoke allergic reactions to the skin, and seeing which ones the individual reacts to.
Colour Codes For Preservatives
Among the many things I try to cram into my schedule is a newsletter for people with sensitive skin. I am not very successful at doing this I am afraid, and I don’t get the newsletters out very frequently. But despite this I get a steady stream of people talking to me about their issues …
Does MI Cause Developmental Problems?
There are an interesting couple of points in the comments thread on my blog post asking for MI not to become a scare story, from Suzanne. She has drawn my attention to a paper from 2012 that details developmental problems in tadpoles exposed to MI. She concludes from this that MI is potentially unsafe for …
