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Should we worry about benzene in personal care spray products?

25 Feb 2022

Probably not, but such products should not contain benzene and can be formulated without this contaminant. The issue arises because a number of products, including some deodorants, sunscreens,...

Sunscreen Shouldn't be a DIY Project

7 Aug 2019

This article was first published in The Montreal Gazette.

Are Summer Clothes Protecting Your Skin from Sunburns?

26 Jul 2019

How much protection does your white T-shirt offer you in the summer when you’re out in the sun? Would you say it’s impossible to get a sunburn underneath that garment?

Looking at the Science of Sunglasses

24 May 2019

The sunglasses at the dollar store feel flimsy, yet I buy a pair. It costs me $1.43. The sticker on one of the lenses states “UV 400 Protection”. I walk over to a fancy sunglasses store and ask the...

Is That Plausible?

3 Apr 2018

The gold standard in science is the randomized, controlled, double-blind trial. If you want to know whether Garcinia cambogia causes weight loss, or whether glucosamine helps with arthritic pain,...

Safe Sunscreens But No Safe Tans

20 Mar 2017

When it comes to health matters, scientists rarely make statements that do not begin with “may.”  But here is one.  Excessive exposure to sunlight causes skin cancer!  There’s no “may” about it. ...

Toxic Chemicals in the Environment

20 Mar 2017

Virtually no day goes by without an alert from the media about some chemical in the environment that is suspected of harming our health. It may do this by disrupting our hormones, triggering cancer...

Retinyl Palmitate

20 Mar 2017

According to the Environmental Working Group (EWG), a non-profit, environmental advocacy group, we should all be wary of retinyl palmitate. This compound is commonly added to a range of skin care...

Blocking the Sun's Rays with Metal Oxides

20 Mar 2017

Ultraviolet light from the sun encompasses a range of wavelengths, all the way from 280 nm to 400 nm. The shorter and more energetic wavelengths from 280 to 320 nm are referred to as UV-B, while...

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