#OOTD Dark Spot Vitamin C Serum Mask (10 Sheets)
#OOTD Dark Spot Vitamin C Serum Mask (10 Sheets)
A vitamin C sheet mask for brighter, glowing-looking skin.
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#OOTD Dark Spot Vitamin C Serum Mask is a Korean skincare sheet mask designed to support brighter-looking, more radiant, and hydrated-feeling skin. Formulated with vitamin C, vitamin E, and glutathione, this serum mask helps dull, tired-looking skin appear refreshed while supporting a smoother, more luminous-looking complexion.
Use this 10-piece sheet mask set after cleansing and toner as a quick 15-minute treatment step. The vegan lyocell bamboo sheet holds a rich serum essence that leaves skin feeling hydrated, cared for, and visibly refreshed after use.
Choose this if...
- ✓ You want an easy 15-minute sheet mask routine
- ✓ Your skin looks dull, uneven, or tired-looking
- ✓ You’re looking for vitamin C, vitamin E, and glutathione in one mask
- ✓ You prefer a 10-sheet set for weekly masking or self-care nights

Formula, ingredients & use
Why you’ll love it
- Serum-soaked sheet mask format for a quick brightening-care step
- Formulated with vitamin C, vitamin E, and glutathione
- Helps skin feel hydrated, refreshed, and cared for
- Supports brighter-looking, glowing-looking skin
- Comes as a 10-piece set for easy weekly masking
Best for
Skin concerns: Dullness, uneven-looking tone, dark spots, rough-looking texture, weekly masking
What to expect
Texture: Serum-soaked vegan lyocell sheet mask
Finish: Hydrated, brighter-looking, glowing-looking skin
Routine step: Mask / Treatment
How to use
- After cleansing your face, apply skin toner.
- Take the sheet mask out of the package and adhere it evenly over your face, avoiding the eye and mouth area.
- Remove after 15 minutes.
- Gently pat any remaining product into the skin.
Key ingredients
- Vitamin C / Ascorbic Acid: Featured to support brighter-looking skin and a more radiant-looking complexion.
- Vitamin E / Tocopheryl Acetate: Featured as part of the mask’s antioxidant-focused positioning.
- Glutathione: Featured for radiant-looking, more even-looking skin.
- Allantoin: Included in the full ingredient list to support a comfortable skin feel.
Good to know
- Size: 25 g / 0.88 oz × 10 sheets
- 10-piece sheet mask set
- Use after cleansing and toner
- Leave on for 15 minutes
- Features vitamin C, vitamin E, and glutathione
- Vegan lyocell bamboo sheet
- Made in South Korea
Full ingredients
Water, glycerin, methylpropanediol, 1,2-hexanediol,butylene glycol, propanediol, polyglyceryl-10 laurate, carbomer, tromethamine, ethylhexylglycerin, allantoin, citrus limon (lemon) peel oil, tocopheryl acetate, glutathione, ascorbic acid(10ppm), limonene.
About the brand
#OOTD Beauty, short for Oxygen of the Day, is a Korean skincare brand focused on making daily skincare feel essential, gentle, and effective. The brand combines K-beauty innovation with active ingredients and modern skincare science, with products designed for approachable everyday routines.
Pairs well with
Add a few routine-friendly picks to complete your skincare lineup
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How to layer your K-beauty routine
A simple guide to each step, from cleansing to moisturizing
Cleanse
Start with a gentle cleanser to remove buildup and prep skin for the rest of your routine.
Treat
Layer toner, serum, ampoule, or essence based on what your skin needs that day.
Moisturize
Finish with a cream or gel moisturizer to help seal in hydration and keep skin feeling soft.