I’ve talked about visible light and blue light, and their effects on pigmentation in lots of detail before. There’s been more studies done since then – fortunately my conclusions are still correct! In short, the vast majority of us don’t have to worry about visible light or blue light coming from our screens. There just isn’t enough light coming from …
I’ve had a lot of people ask me to explain the nitty gritty behind how sunscreen ingredients work. I warned everyone it would be super nerdy and really quite complicated, but a lot of people said it was fine… so here it is: the deep dive into how sunscreen ingredients work! A warning: this goes into physical chemistry, at upper …
I’ve recently been approached by several natural deodorant companies to talk about the health risks of aluminium-containing antiperspirants. As much as I’d like that sweet sweet cheque… I can’t. Because the science just isn’t there. So instead, I’m going to debunk the aluminium scaremongering. (Note to deodorant companies: There are valid reasons to switch to natural deodorants. Aluminium ingredients can …
Recently you might have heard that one of my former favorite sunscreens Purito Centella Unscented Sun tested at SPF 19, which is much lower than its labeled protection of SPF 50+. There were rumours that it didn’t match the label claim before, but until INCI Decoder published the two in-vivo SPF tests on their blog, a lot of scientists were …
This video is sponsored by Foreo. Microcurrent devices are handheld electronic gadgets that have two metal spheres on them. There are lots of claims about how they tone and contour your face, so here’s the science behind microcurrent, how to use a microcurrent device and the results I’ve gotten after using the Foreo Bear on the right side of my …
If you use beauty products, it’s impossible to not have heard of clean beauty. It’s a revolution. You want your products to be clean – you don’t want to use dirty products! You want your products to be good for your health and good for the environment. There are beautiful celebrities telling you about how they detoxed and cleaned out …
Have you ever wondered what’s in a lipstick? Obviously there’s the colouring agents that make it red or pink, but what’s all the other stuff? Let’s talk lipstick science. The video is here on YouTube, scroll down for the blog post version… What makes a good lipstick? First let’s talk about what a lipstick is. I mean, I think we …
Dr Davin Lim and I sat down with Deciem’s Chief Scientific Officer Prudvi Kaka (PK) very early one morning (well, early for me at least – Davin gets up before dawn and PK’s in Canada). What we covered: 0:53 Do you use your own products? Which ones? 1:07 What’s your skincare routine? 1:22 Who does Deciem’s formulations? 2:11 How do …