Today I want to introduce you to a blog of a couple of my fellow Indy Science Bloggers – The Beauty Brains. They are both professional cosmetic chemists who have more than 30 years of experience with cosmetics. They blog about all sorts of topics concerning beauty products and the science behind them. For example they have posts about hair, skin, make-up and much more.
Today I spent some time reading about sunscreens on their blog. I do a lot of gardening in the summer so I am out in the sun quite a bit. I want to minimize the effect the sun has on my skin – age spots and wrinkles as well as reduce my chance of getting skin cancer.
One post answers the question of what is a good sunscreen. They explain the differences between UVA and UVB light and the damage done by both. They also talk about the difference between physical and chemical UV blockers.
In another post they mention that antioxidants in sunscreen may actually have some antiaging properties. I never would have thought that. I just figured it was something made up to get people to buy a product!
They also discuss issues surrounding which sunscreens are available in the US compared to Europe. Its partly due to regulatory and legal issues because in the US sunscreens have to approved by the FDA.
It looks like when summer gets here this year I will have to put a little more thought into what sunscreen I buy this time!
Here’s a question I have for the Beauty Brains – you mentioned on your site that grey hair looks grey because it has lost its melanin, which gives hair its pigment. What’s the biology involved with that? What actually causes hair to lose its melanin? And is there anything we can do to slow the process down? And why do my grey hairs seem more kinky and unruly compared to the rest of my hair?
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