The Science of Layering: Why Order Matters More Than You Think
You've heard it before: apply products from thinnest to thickest. But the real science is more nuanced than that. Molecular weight, pH dependencies, and occlusive barriers all play a role that most beauty guides overlook. Our R&D team breaks down the chemistry behind the perfect layering sequence—and the three mistakes that could be neutralizing your most expensive serums.
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