New evidence guide, references included: read the guide of the month
Issue 08Autumn 2026
Cover story

Alli Reed on what a plant must prove to stay

Alli Reed learned formulation from dermatology journals and Reddit, then grew Stratia from a home kitchen into a Los Angeles lab. She says why her evidence-first brand bans essential oils yet keeps two oils from the sea buckthorn berry.

Read the story → 14 min read
01Featured

Now on the record

View all →
02Where we stand

“Clinically proven” can mean twenty people for four weeks, scored by the brand. We read the study behind the retinol , the barrier serum and the spot treatment , and say we do not know yet when that is the honest answer.

About us →
04Evidence guides

Guides that show their work

18 pages
Face ValueNo. 01Barrier repair planSteady calm first
PDF + checklist
Evidence guide of the month

How to rebuild a sensitised barrier in four weeks

Many barrier problems start with too much cleansing, exfoliating or layering. This guide sets out a careful four week routine that supports comfort while the evidence on repair is explained.

  • Balanced lipids Ceramides need cholesterol and fatty acids alongside.
  • Quiet weeks Hold acids and retinoids until stinging settles.
  • Mild acidity A pH near 4.5 to 5 supports barrier order.

Free · Read it here or download the PDF

More evidence guides
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The fine print.

One study a week, read to the end: what was tested, on how many people, for how long, and what it does not show.

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