Most acne serums smell like a chemistry lab. This one smells like a rose garden that got into a fight with a pharmacy — and won.
isoi started as a botanical research lab in Korea. They got obsessed with one idea: why wreck your skin with harsh actives when you can grow the medicine instead? So they built their own rose farm. That’s not marketing fluff — they literally cultivate the Damask roses that go into this bottle.
It’s a $34 treatment serum. The claim that got me: “reduces blemishes while calming redness” — which is usually code for “does nothing.” But the ingredient list told a different story.
98.9% Natural Origin
Almost the whole bottle is plant-derived. No drying alcohols, no synthetic fragrance.
Clinical Patch Tested
They put it through 24-hour patch tests for irritation. Boring but reassuring.
pH 5.5
Matches your skin’s natural acidity. So it won’t strip your moisture barrier while fighting breakouts.
Photo: Maria Lupan / Unsplash
Hero ingredient is rose extract — specifically Rosa Damascena. It’s packed with antioxidants and has natural anti-inflammatory properties. But the real workhorse is the blend of peptides and centella that calms active breakouts without suffocating them.
- Rosa Damascena Extract: Calms redness, fades marks
- Centella Asiatica: Speeds up healing, reduces swelling
- Hydrolyzed Collagen: Keeps skin bouncy so it doesn’t look flat and sad
- Niacinamide: Fades post-acne spots (the real MVP)
Photo: pmv chamara / Unsplash
It’s a gel-water hybrid. Feels like cold aloe on a sunburn — sinks in about 15 seconds, zero grease. Smells like actual roses, not grandma’s hand cream.
Week two hit a weird phase: a few tiny purges. I almost quit. But by day 18, the active spots dried up faster than usual, and the red marks looked… lighter? That’s when I got it.
Photo: Vera Marian / Unsplash
Redness: down ~40% in three weeks. Active breakouts: healed in 3-4 days instead of 5-6. The big cystic stuff? Still showed up — but they were less angry and left smaller marks.
This is the serum I recommend to friends who want results without wrecking their skin’s barrier. It’s not a miracle — it’s a really good daily helper.