The drugstore aisle's favorite acid is the only common one that dissolves into oil, which changes where it works and who it helps. How it compares to benzoyl peroxide and retinoids, and where it earns a place in a routine.
July 3, 2026 · Anneliese Crowther
Retinoids and other cell-turnover actives can make skin look worse before it looks better. Here is the mechanism behind purging, how long it should last, and the warning signs that mean you are reacting, not adjusting.
July 2, 2026 · Liliana Voss
Helmets, straps, masks, and sweaty workouts can trigger a specific kind of acne, and it responds to specific fixes.
July 1, 2026 · Liliana Voss
The whole evidence base
18 stories
DispatchDoxycycline and its cousins remain among the most prescribed acne treatments in the world, and among the most misused. What antibiotics actually do for a breakout, why courses now come with a time limit, and how to exit without relapsing.
· Quentin Asare
ExplainerIt rarely gets shelf space next to retinoids and benzoyl peroxide, yet it treats clogged pores, inflammation, and the dark marks acne leaves behind, all at once. How azelaic acid compares to the heavyweights, and who it suits best.
· Anneliese Crowther
ExplainerHydrocolloid patches have taken over the skincare aisle, and the honest answer is that they do one job well and several jobs not at all. What the dressing science supports, what the marketing adds, and how to use them without wasting money.
· Emeka Balogun
Field NotesPost-inflammatory hyperpigmentation outlasts the pimple that caused it, sometimes by a year. The difference between red marks and brown marks, the ingredients with real evidence, and why sunscreen is the whole ballgame.
· Liliana Voss
DispatchThe skin on your back is thicker, harder to reach, and lives under fabric all day. Why face routines underperform below the neck, and the wash-based strategy that actually clears trunk breakouts.
· Quentin Asare
ExplainerThe drugstore aisle's favorite acid is the only common one that dissolves into oil, which changes where it works and who it helps. How it compares to benzoyl peroxide and retinoids, and where it earns a place in a routine.
· Anneliese Crowther
FAQ / Acne treatment
Most patients see meaningful improvement at three to six months. The first six to twelve weeks often include an “initial purge” and irritation. Consistency matters more than aggression.
The Briefing
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