The Mxt Lab Notes

Lab Notes.

Long-form notes on the actives, formulas, and methodology behind clinical-grade personalized skincare — straight from the Mxt lab.

All Ingredients Concerns The Science Routines Notes
Is It Purging or Breaking Out? How to Read What Your Skin Is Telling You in the First Two Weeks
concern1300 min read

Is It Purging or Breaking Out? How to Read What Your Skin Is Telling You in the First Two Weeks

Week two with a new active and seeing bumps? Here's how to tell if your skin is purging or truly breaking out—and exactly what to do next.

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Sunscreen Filters, Compared: An Evidence Review.
The Science5 min read

Sunscreen Filters, Compared: An Evidence Review.

Mineral, organic, hybrid, next-gen — what the photostability data actually shows, where the regulatory gaps are, and why the US lags the ...
What Tretinoin Actually Does, Over 12 Weeks.
The Science6 min read

What Tretinoin Actually Does, Over 12 Weeks.

A week-by-week look at how tretinoin remodels the skin barrier — what's happening biologically, what you'll see in the mirror, and why mo...

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A 5-minute diagnostic. No quizzes that send everyone the same three products. Just the actives your skin actually needs, at clinical doses.

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Skincare Built On Evidence — And Built For You.
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