Debunking the heat protectant test almost broke me

Influencers and brands are testing heat protectants on receipts - but does this actually work? I tested the test, and it turned out to be way more complicated than I expected.

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0:00 The viral heat protectant test
1:15 Lucy Seitz's tests
2:47 Testing heat protectants Day 1
4:39 Is it just water?
5:14 Testing heat protectants Day 2
5:49 Science is a cruel mistress
9:12 Receipt temperature tests
9:55 I try to solve it by writing on a whiteboard
11:32 ✨Realising things ✨
12:09 What's really happening
15:40 Conclusions

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🙋🏻 I'm Michelle, a chemistry PhD, cosmetic chemist and science educator, 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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