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Sujoy's avatar

Jolie the physicist!!! Loved this, sending it to everyone <3

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Jolie De Feis's avatar

💞💞💞💞 physics!

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Felicia's avatar

this was a great read! deciphering the bottle was super helpful.

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AK's avatar

Thank you! This is so comprehensive. Would you mind going into a bit more detail into testing / regulations? Looks like Korean & European sunscreens are miles ahead the US in terms of approving new chemical filters. Super curious what you think about the Ultra Violette / Choice situation as well!

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Jolie De Feis's avatar

Thanks for reading!! Your first question is addressed in Volume 2 and I talk about testing in Volume 3! https://hotlineskin.substack.com/p/spf-club-handbook-volume-2 https://hotlineskin.substack.com/p/spf-club-handbook-volume-3

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Liz's avatar

I learned so much about UVA/B and SPF!

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Stephanie Johnson's avatar

So well researched and detailed! I learned so much, thank you!

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