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GlowTok Numbuzin Serum deep sleep mask bottle on a white background

Overnight glow, no sheet mask needed. The NUMBUZIN No.6 Deep Sleep Mask Serum is a serum-textured overnight mask that delivers intense hydration and skin renewal while you sleep. Powered by 63% Iceland Glacier Water and 5 types of Hyaluronic Acid, it mimics the effects of a sheet mask—without the mess. Wake up to plumper, smoother, more radiant skin.


✨ Why You’ll Love It:

  • Glacier water deeply hydrates and revitalizes

  • 5 types of Hyaluronic Acid lock in moisture for up to 48 hours

  • Lightweight serum texture absorbs quickly with no residue

  • Improves elasticity and smooths dry, flaky skin

  • Ideal for dull, dehydrated, or tired skin


💛 How to Use:

  1. Apply 2–3 pumps to face as the final step of your PM routine

  2. Gently massage until absorbed

  3. No need to rinse—wake up glowing


✔ Good to Know:

  • Fragrance-free, alcohol-free

  • Suitable for all skin types

  • Cruelty-free & K-beauty certified

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