What your skin is trying to tell you.
Why you break out before your period (and how to prove it)Premenstrual acne is real and measured. Here is what the research found, why your calendar date is the wrong thing to track, and what to write down.5 min readDoes dairy cause acne? What the evidence actually saysThe research on diet and acne is real but messy. Here is where the signal is stronger, where it is weak, and how to test your own skin.5 min readHow to track your acne triggers (without it taking over your life)What to log, how long to log it, and why the delay between a trigger and a spot makes memory so unreliable. A simple method that takes 30 seconds a day.6 min readComedogenic ingredients: why the lists get it wrong (and how to use them anyway)Where comedogenic ratings come from, why a rating of 4 does not mean what you think, and how to check a product without throwing out half your shelf.5 min readWhat to bring to your dermatologist for acne (so the visit is not wasted)A short checklist for an acne appointment: a timeline, treatments with outcomes, product dates, cycle notes and photos. Walk in with evidence, not memory.5 min readStress, sleep and acne: what the research can and cannot tell youStress and acne are linked in studies, but a link is not a cause. What one well known study found, what it did not, and how to test it in your own skin.5 min read