A jelly-gel sheet mask with kojic acid, turmeric and niacinamide that cools, hydrates and gives a quick brightness boost.

medicube's Kojic Acid Turmeric mask is a 'jelly gel' sheet mask you can leave on for a few hours or overnight. The thick, cooling gel is infused with kojic acid and turmeric for brightening and niacinamide for tone and barrier support, and it turns from opaque to transparent as it absorbs. It's aimed at dull, uneven skin that wants a hydrating glow, and comes as four single-use sheets.
Reviewers most love the immediate payoff, a cooling, soothing feel and skin that looks plumper, more hydrated and glowier straight after, with the fun opaque-to-clear cue signalling it's sinking in (medicube cites one-use clinical bumps in hydration and elasticity). Over repeated use, people note a gradual evening of tone and a brighter complexion from the kojic acid and turmeric. The honest caveats: brightening pigmentation is slow and subtle, not a quick fix, it's a periodic treatment rather than a daily one, and four sheets per box makes it a relative splurge per use.
| Dull / uneven skin | The sweet spot, a hydrating brightness boost. |
| Dry / tired skin | The gel is cooling and deeply hydrating. |
| Hyperpigmentation | Helps gradually, but pair with a daily brightening routine and SPF. |
| Sensitive skin | Generally soothing; patch test if turmeric or acids are new to you. |
Use as a treatment step, a few times a week or whenever skin looks tired. After cleansing and serum, apply the sheet, smooth out air bubbles, and leave on for 3-4 hours or overnight. Remove and pat in the excess, no need to rinse. Follow daytime with sunscreen, especially since you're brightening.
3-4 hours, or overnight for a deeper hit. Then pat in the excess, no rinsing needed.
It brightens gradually, think steady glow and more even tone with repeated use, not an overnight spot eraser.
It's better as a periodic treat, a few times a week, and each box holds four sheets.
A lovely, cooling brightening treat that leaves skin instantly plumper and glowier, with gradual tone benefits from kojic acid and turmeric. Use it as an occasional boost alongside a consistent daily routine and SPF, not as a standalone dark-spot fix.
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