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#OOTD Dark Spot Vitamin C Serum
#OOTD Dark Spot Vitamin C Serum
Lightweight vitamin C serum for dark spots, dullness, and uneven-looking tone.
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For skin that looks dull, uneven, or marked by dark spots, #OOTD Dark Spot Vitamin C Serum helps bring back a brighter, more even-looking glow without a sticky finish.
This lightweight Korean vitamin C serum features 1% vitamin C to support the look of dark spots, uneven tone, and rough texture. It absorbs quickly, layers comfortably, and is gentle enough for daily use, making it an easy serum step for a brighter-looking routine.
Apply after cleansing and toner, then follow with moisturizer. In the morning, finish with sunscreen.
Choose this if...
- ✓ Your skin looks dull, uneven, or tired
- ✓ You want a vitamin C serum for visible dark spots
- ✓ You prefer a fast-absorbing, non-sticky finish
- ✓ You want a fragrance-free serum for daily brightening care
Complete your morning routine
Add a lightweight cream, then finish with daily SPF.

Formula, ingredients & use
Why you’ll love it
- Helps improve the look of dark spots and uneven-looking tone
- Supports a brighter, more glowing-looking complexion
- Lightweight serum texture that absorbs quickly
- Non-sticky finish that layers well under moisturizer or sunscreen
- Features 1% vitamin C plus ascorbyl glucoside
- Includes sodium hyaluronate and beta-glucan for a comfortable skin feel
- Fragrance-free and paraben-free formula
Best for
Best for: Dark spots, dullness, uneven-looking tone, rough texture, and lack of radiance
Skin feel/type fit: Most skin types, including sensitive skin
What to expect
Texture: Lightweight serum
Finish: Smooth, non-sticky, fast-absorbing
Scent: Fragrance-free
Routine step: Serum / Ampoule
How to use
- After cleansing and toner, apply a pea-sized amount to the face or areas with visible dark spots.
- Gently tap and massage until absorbed.
- Follow with moisturizer.
- In the morning, finish with sunscreen.
Tip: Vitamin C products pair best with consistent sunscreen use during the day. Patch test before use, especially if your skin is sensitive.
Key ingredients
Ascorbic Acid / Vitamin C: Featured at 1% to support brighter-looking skin and improve the look of dark spots.
Ascorbyl Glucoside: A vitamin C derivative included in the formula for brightening-focused care.
Hippophae Rhamnoides Fruit Extract: Also known as sea buckthorn or vitamin tree extract, included for brightening-focused skin care.
Sodium Hyaluronate: Helps skin feel hydrated and comfortable.
Beta-Glucan: Helps support a moisturized, cared-for skin feel.
Good to know
- Size: 50 ml / 1.69 fl. oz.
- Vitamin C face serum
- 1% vitamin C
- Fast-absorbing texture
- Non-sticky finish
- Fragrance-free
- Paraben-free
- Vegan product
- Cruelty-free
- Made in South Korea
Full ingredients
Water, Isopentyldiol, Glycerin, 1,2-Hexanediol, Butylene Glycol, Betaine, Hydroxyethylcellulose, Ascorbic Acid, Sodium Citrate, Tromethamine, Ethylhexylglycerin, Dipotassium Glycyrrhizate, Propanediol, Polyglyceryl-10 Laurate, Disodium EDTA, Sodium Hyaluronate, Hippophae Rhamnoides Fruit Extract, Beta-Glucan, Ascorbyl Glucoside
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.
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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.