Science · 4 min
The 28-day rule: why your skincare needs a rhythm, not a haul
Cell turnover happens on a roughly 28-day cycle. Here's why every product we make is sized to last exactly one cycle.
ReadNotes from our formulators, our skin specialists, and the occasional long-form on what skincare science actually tells us — and what it doesn't.
Cell turnover happens on a roughly 28-day cycle. Here's why every product we make is sized to last exactly one cycle.
ReadWe pair encapsulated retinol with bakuchiol for a reason. Spoiler: it's not marketing.
ReadTravel, summer, a quiet phase. Here's exactly how to step away from your routine for 2–6 weeks without restart-stress.
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