So Natural is a Korean beauty brand best known for its All Day Tight Makeup Setting FIXX spray — a lightweight setting mist that locks makeup in place without a heavy or sticky finish. SEYUNE carries the full FIXX line in four finishes (All Day Tight, All Day Blur, Water Glow, Real Matte) plus the All Day Face Prep primer. Orders ship from Canada within 1–3 business days. Estimated U.S. transit after shipping is 5–10 business days, with no additional duties or tariffs on delivery.