Do They Work? Colorescience SPF Powder, Skinnies "Pea-Sized Amount" | Lab Muffin Beauty Science

Lab Muffin Beauty Science
Lab Muffin Beauty Science
52.3 هزار بار بازدید - 4 سال پیش - I've had a lot of
I've had a lot of questions about what I think of some sunscreen products with unusual claims - in this video I talk about whether Colorescience's powder sunscreen gives SPF 50, and whether you can really just apply a pea-sized amount of Skinnies sunscreen.

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Let me know what other products you want me to look at in the comments!
Blog post with more info here: https://labmuffin.com/do-they-work-co...
Colorescience FDA submission data:
SPF/amount applied relationship: https://doi.org/10.1111/phpp.12099
Skin topology and sunscreen: https://doi.org/10.1159/000450760
More info about choosing sunscreens (in the free sample of my eBook): https://labmuffin.com/skin

Erratum: I messed up a little in explaining the methodology for calculating the weighted average for the Colorescience powder - they used the minimum for the lowest time bracket, then the midpoint for the others, so their estimate was less conservative than what I described.

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Lab Muffin Beauty Science is a channel by me, Michelle - I'm a chemistry PhD and beauty lover, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup!

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Sunscreen guide download: https://labmuffin.com/skin
Blog post for this video with more info: https://labmuffin.com/do-they-work-co...

---SKINCARE GUIDE---
The Lab Muffin Guide to Basic Skincare is here! Find out more: https://labmuffin.com/skin
4 سال پیش در تاریخ 1399/10/01 منتشر شده است.
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