Why this product
Dull, uneven. Vitamin C + niacinamide while you sleep. 30-day transformation.
What it does: Overnight brightening treatment that repairs and renews while you sleep.
Skin types: All skin types, especially dull and uneven skin tone.
vs Kiehl's: $16 vs $48. Delivers similar brightening results to expensive Western overnight masks but with gentler, more hydrating formula and better value.
Consistently rated Holy Grail across an estimated 466+ community discussions on r/AsianBeauty. Most common praise: this mask literally brightened my skin in 2 weeks. Wake up glowing every morning.
Night Barrier step
Step 6 in your routine. Sign in to add it.
Where in your routine
Why this step exists in K-beauty
K-beauty believes in gentle overnight transformation - letting brightening actives work their magic during skin's natural repair cycle without irritation.
How to use
Key ingredients
Details
Western equivalent
Kiehl's
Turmeric & Cranberry Seed Energizing Radiance Masque
$48
Delivers similar brightening results to expensive Western overnight masks but with gentler, more hydrating formula and better value.
The bottom line
Some By Mi Yuja Niacin 30 Days Brightening Sleeping Mask is a night barrier that costs $16 for 60g. The Western equivalent (Kiehl's) runs $48 — you save 67%. Best for all skin types, especially dull and uneven skin tone skin.