Science Writer · Editorial staff
Liliana Voss
Specializes in myth-checking common claims about acne treatment against the published literature.
7 stories by Liliana Voss
Myth Check · 4 min · Liliana Voss
Purging or Just Breaking Out? How to Tell When a Retinoid Is Working
New acne treatments often make skin worse before it gets better. Here is the mechanism behind the purge, how long it should last, and the signs that a product is actually failing you.
August 5, 2026
Field Notes · 6 min · Liliana Voss
Fading the dark marks acne leaves behind
Post-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.
July 5, 2026
Field Notes · 6 min · Liliana Voss
Acne mechanica: when friction and sweat cause breakouts
Helmets, straps, masks, and sweaty workouts can trigger a specific kind of acne, and it responds to specific fixes.
July 1, 2026
Field Notes · 6 min · Liliana Voss
Diet and acne: what the evidence actually says
Beyond the chocolate myth, the two dietary links with real support.
March 27, 2026
Field Notes · 5 min · Liliana Voss
Benzoyl peroxide is still underrated
Cheap, available, and one of the few things that prevents antibiotic resistance.
January 16, 2026
Field Notes · 6 min · Liliana Voss
Hormonal acne in adult women
Jawline breakouts that ignore your skincare, and the treatments that actually move them.
November 11, 2025
Field Notes · 5 min · Liliana Voss
Acne is not a hygiene problem
Why scrubbing harder makes it worse, and what actually drives a breakout.
October 12, 2025