Active Ingredient

Polyquaternium-51

INCI: polyquantium-51

Moisturizing film-former that hydrates skin

Safety:4/5 — Very Safe

Comedogenic:0/5 — Non-comedogenic

Found in:1 products

K-Beauty Products with Polyquaternium-51

One-day Aesthetic Glazed Program

SUM37

mask5.0

Articles About Polyquaternium-51

Beauty of Joseon Aqua Fresh Sunscreen: Full Review

Beauty of Joseon's Aqua Fresh sunscreen has become a staple recommendation across K-beauty communities. But does it actually deliver on its promises, and is it right for your skin type? We break down the full ingredient list, UV protection, and who should (and shouldn't) reach for this one.

Mar 26, 2026

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