Barrier first: why most routines start in the wrong order
Adding actives before the barrier has recovered raises redness in the first two weeks. What our three-scan data shows, and why the routine builder orders steps the way it does.
READ THE PIECEShort, sourced pieces on skin, nutrition and hair. Twice a month. Not marketing.
Adding actives before the barrier has recovered raises redness in the first two weeks. What our three-scan data shows, and why the routine builder orders steps the way it does.
READ THE PIECEFrom 1.4 to 2.0 g/kg: where the gap between goals comes from, and why crossing the threshold is enough on most days.
READSink speed is a rough measure of cuticle openness. How reliable it is, and when it misleads.
READWhen the oiliness score drops under 75 the routine swaps your SPF. How we picked the threshold.
READThe drop in redness scores we see with three servings of oily fish a week, and its limits.
READHow we reduce weekly heat and chemical treatments to a single budget, and how the 12-week plan spends it.
READEvening routines are skipped most after 23:00. Weeks above 85% adherence gain +4 on the score.
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