https://scarnotes.com/Scar Notes is an independent blog about acne, the marks it leaves and the scars it can cause: what each one is, which treatments have evidence behind them, and what to expect from them.enSat, 07 Nov 2026 00:00:00 +0000https://scarnotes.com/posts/benzoyl-peroxide-salicylic-acid-adapalene/Sat, 07 Nov 2026 00:00:00 +0000https://scarnotes.com/posts/benzoyl-peroxide-salicylic-acid-adapalene/How the three main over-the-counter acne ingredients work, how irritating they are, how to combine them, and what FDA testing found about benzene in BP.https://scarnotes.com/posts/adult-hormonal-acne/Fri, 30 Oct 2026 00:00:00 +0000https://scarnotes.com/posts/adult-hormonal-acne/Why acne can persist or start after 25, the jawline pattern linked to hormones, and how dermatologists use topicals, combined pills and spironolactone.https://scarnotes.com/posts/acne-scar-treatments-compared/Thu, 22 Oct 2026 00:00:00 +0000https://scarnotes.com/posts/acne-scar-treatments-compared/A plain comparison of the main acne scar procedures: which scar types each suits, what published reviews show, typical session counts and recovery.https://scarnotes.com/posts/red-vs-brown-acne-marks/Wed, 14 Oct 2026 00:00:00 +0000https://scarnotes.com/posts/red-vs-brown-acne-marks/Red and brown marks left after acne have different causes, timelines and treatments. Learn how post-inflammatory erythema and hyperpigmentation differ.https://scarnotes.com/posts/acne-scar-types/Sun, 04 Oct 2026 00:00:00 +0000https://scarnotes.com/posts/acne-scar-types/Ice pick, boxcar, rolling, hypertrophic and keloid acne scars form differently and respond to different treatments. Here is how dermatologists sort them.