Brand Comparison

Decleor vs Isoi

A head-to-head comparison of two popular K-beauty brands. Which one is right for your skin?

Our Pick

Isoi

Higher editor rating (8.6 vs 8.4)

Decleor Isoi

Rating8.4/108.6/10

Price RangePremium ($$$)Premium ($$$)

Founded19742007

OriginFranceSouth Korea

Products21

Best Forluxury skincare, spa lovers, aromatherapy, professional facial fansCombo, Mature, Sensitive

PhilosophyFrench aromatherapy-led professional skincare with a 50-year spa-cabin pedigree.Damask rose, deeply.

Decleor

Decleor is the French aromatherapy-clinical brand that built a 50-year reputation in European spas around plant-extract aromas and spa-cabin facial protocols. The Aromessence concentrates and Hydra Floral collection are the most globally-recognized, with formulations leaning aromatherapy-rich and spa-textured. Premium pricing, distribution heavy in spas and luxury beauty retailers.

Pros

✓ 50-year spa heritage
✓ Strong aromatherapy credentials
✓ Multi-line targeted skincare
✓ Pro-spa distribution

Cons

✗ Premium pricing
✗ Spa-distributed primarily
✗ Heavy aromatherapy fragrance

Isoi

Isoi has been quietly excellent for nearly two decades, but 2025 is its breakout year. The Blemish Care Up Serum picked up multiple Hwahae nods, and dermatology-leaning K-beauty fans have been quietly recommending it for fading post-acne marks for years. Premium-leaning but worth it.

Pros