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Do you start group chats about the best scalp treatments?
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Google AHA vs. BHA exfoliants until the wee hours?
You’re our people.
For even more nerdiness, check outThe Science of Beauty podcast, produced by our editors.
We’ve pondered this incredibly valid question, too.
Michelle Lee and Jenny Bailly called upon dermatologist Marie Jhin to share some hard-and-fast rules for skin-care layering.
Research on this topic is pretty limited.
This keeps you from disturbing each layer of your routine.
“Certain product textures can roll up if you apply them immediately after one another,” she explains.
“When sunscreen is mixed with other products, it becomes diluted and less effective,” she says.
For this very reason, SPF should be the last layer of your morning skin-care routine.
(Allure’s digital beauty editor likes to get dressed before putting on her face sunscreen.)
