SkinjotBlog
Plain guides to tracking your skin on record. Always talk to your dermatologist about diagnosis and treatment.
Best skin tracker apps (2026): 10 options for iPhone
iPhone apps for tracking acne, skincare routines and products: Skinjot, BasicBeauty, FeelinMySkin, Clarity, SkinMirror, AcneTrack and more. What to look for and which one suits whom.
How to keep a skin journal: a one-minute-a-day tracking guide
What to write in a skin journal, how to take photos and how long to keep it. A step-by-step guide to tracking acne and sensitivity and bringing organized information to your dermatologist.
How to patch test a new skincare product at home (and track it)
How to test a new cream or serum before putting it on your face: the 7–10 day at-home patch test, how to read the result and how to track a new product once it joins your routine.
How to photograph acne progress: same angle, same light
How to keep light, angle, distance and background consistent when tracking acne and redness with photos. Seven rules for comparable photos and a simple weekly plan.
Menstrual cycle and acne: when it may flare and how to track it
How to find out whether your breakouts get worse before your period: what to record, for how many cycles, what research says and how to compare by cycle day.
Sleep, stress and your skin: how to find your triggers in 30 days
Do poor sleep and stress affect your skin? What research says, and a simple 30-day tracking plan to find your own triggers: what to record and how to compare.
What does the PAO symbol mean? The open jar and "12M" on cosmetics
The open-jar symbol (PAO) on cosmetics tells you how many months a product can be used after opening. How it differs from an expiry date, how to calculate it and how to tell a product has gone off.
What to bring to a dermatologist appointment: a practical checklist
A short checklist for your dermatology visit: your questions, a medication and product list, a timeline of changes, consistent photos and what to avoid wearing on the day.