• #OOTD Dark Spot Vitamin C Serum Sheet Mask box and sachet with yellow serum bubbles; 10 vegan lyocell bamboo sheets
  • #OOTD Dark Spot Vitamin C Serum Sheet Mask infographic comparing old and new packaging with the same formula
  • Back of #OOTD Dark Spot Vitamin C Serum Sheet Mask sachet showing directions, 15-minute use, ingredients, vegan logo, and barcode
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#OOTD UPC: 8809349813720

#OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets

#OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets

10 individually packaged 25 g vitamin C serum sheet masks for a simple hydration step.

$14.88
$19.99 $14.88 Save 26%
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Good for Dark spots Uneven looking tone Dull looking skin Brighter looking skin Vitamin C sheet mask
Curated K-Beauty Chosen with care for your routine Chosen with care
Ships from California Usually ships within 24 hours Usually in 24 hours
Authentic products New & factory sealed New & sealed
Here for You Questions? We’re happy to help We're here to help
5.0 Whatnot shop rating Whatnot rating 470+ reviews 2,600+ transactions

#OOTD Dark Spot Vitamin C Serum Sheet Mask turns a 15 minute masking break into a fresh, serum style moisture step. The pack includes 10 individually packaged 25 g sheets for a more even looking, comfortable finish whenever your routine needs a glow focused pause.

Ascorbic acid, glutathione, and vitamin E give the essence its brightening focus, while glycerin and allantoin help the sheet leave skin feeling soft and refreshed. Lemon peel oil and limonene are also present in the formula.

Use after cleansing and toner, then follow with moisturizer. Finish with sunscreen in the morning.

Routine guide: See how to choose between sheet and hydrogel masks Choose between sheet and hydrogel masks

Complete your mask routine

Follow your mask with moisturizer. If used in the morning, finish with sunscreen.

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#OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 01 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 02 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 03 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 04 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 05 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 06 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 07 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 08 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 09 #OOTD Dark Spot Vitamin C Serum Sheet Mask, 10 Sheets product information panel 10

Formula, ingredients & use

Why you’ll love it

  • 10 individually packaged 25 g sheet masks for repeatable routine use
  • Serum style essence with ascorbic acid, tocopheryl acetate, and glutathione
  • Glycerin and allantoin support a soft, comfortable skin feel
  • Simple 15 minute use after cleansing and toner
  • Remove the sheet and pat in the remaining essence before moisturizer
  • Lemon peel oil and limonene are listed in the formula

Best for

Best for: 15 minute masking, weekly routines, pre makeup preparation, or a simple hydration step
Skin feel/type fit: For shoppers who prefer a serum soaked sheet mask; patch test first if your skin is sensitive to vitamin C, lemon peel oil, limonene, or essential oils.

What to expect

Format: Individually packaged serum sheet mask
Size: 25 g each
Texture: Serum soaked sheet
Finish: Soft, refreshed, comfortably moisturized feel
Scent: Contains lemon peel oil and limonene
Routine step: After cleansing and toner, before moisturizer
Wear time: 15 minutes
Rinse: No rinsing required

How to use

  1. After cleansing, apply toner.
  2. Remove one sheet mask from the pouch.
  3. Apply evenly over the face, avoiding the eyes and mouth area.
  4. Leave on for 15 minutes.
  5. Remove the mask and gently pat the remaining essence into the skin.
  6. Follow with moisturizer. If used in the morning, finish with sunscreen.
  7. Do not reuse the sheet mask.

Note: Patch test first if your skin is sensitive to vitamin C, lemon peel oil, limonene, or essential oils.

Key ingredients

  • Ascorbic Acid (Vitamin C): Listed in the formula as a featured vitamin C ingredient.
  • Tocopheryl Acetate (Vitamin E): Listed in the formula as a vitamin E ingredient.
  • Glutathione: Listed in the formula.
  • Glycerin: Helps skin feel hydrated, soft, and comfortable.
  • Allantoin: Helps support a comfortable skin feel.
  • Lemon Peel Oil and Limonene: Listed in the formula and scent profile.

Good to know

  • Count: 10 sheet masks
  • Size: 25 g / 0.88 oz each
  • Use after cleansing and toner
  • Leave on for 15 minutes
  • Features vitamin C, vitamin E, glutathione, glycerin, and allantoin
  • Serum soaked sheet mask format
  • No rinsing required
  • Contains lemon peel oil and limonene
  • Finish with sunscreen if used in the morning
  • 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, Limonene.

Ingredient lists can change by production batch. Refer to the individual pouch or outer packaging for the most current formula.

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.

Why shop with us?

Finding the right skincare should not feel like a guessing game. At Haven Co. Beauty, we handpick K-Beauty products, explain what they feel like and how to use them, and make it easier to find something that fits your routine. Orders ship from California, usually within 24 hours, and a real person is here to help before or after your purchase.

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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.

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Treat

Layer toner, serum, ampoule, or essence based on what your skin needs that day.

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Mask

Use a sheet mask when your skin needs extra hydration, glow, or comfort.

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Moisturize

Finish with a cream or gel moisturizer to help seal in hydration and keep skin feeling soft.

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