DIY safety — preservation, sanitation, shelf life
The non-negotiables of making your own skincare at home, written by our lab team.
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Everything we know about the things we sell — and a lot about the things we don't.
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THE PH OF SKIN — AND WHY IT MATTERS FOR YOUR ROUTINE
The pH of skin — and why it matters for your routine
Understanding the acid mantle and how layering changes your skin's surface chemistry.
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Niacinamide 101 — what it does and what it doesn't
A clear-eyed look at vitamin B3 in skincare: claims, evidence, formulation considerations.
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