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numbuzin

numbuzin No.4 Makeup-Adhering Mineral Toner

Ingredient analysis and how the ad lines read

Read on 2026-09-22

What is this product?

A mineral-water-based hydrating toner built on onsen-sui as the first ingredient, with niacinamide near the top and five forms of hyaluronic acid in the later half, suited to hydrated, makeup-ready skin. The list is fragrance-free and free of drying alcohols, making it a gentle fit for most skin types.

What makes it different?

The formula leads with 온천수 (Onsen-Sui) rather than plain water, giving it a mineral-water base that is uncommon in standard hydrating toners. Niacinamide sits fifth, so brightening and barrier support are plausible at typical usage levels. The later half stacks madecassoside, centella extract and five hyaluronic acid variants for soothing and layered hydration. Betaine salicylate at 14 offers a mild pore-level exfoliating touch without a drying alcohol in the list.

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Each name links to what we know about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 1 with no dictionary entry, left in Korean.

Key ingredient

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.