#OOTD Vitamin C Serum for Dark Spots 1.69 fl oz — 10,000 ppm Ascorbic Acid, Lightweight Brightening

#OOTD Vitamin C Serum for Dark Spot Care is a concentrated ascorbic acid formula (10,000 ppm) designed to brighten skin tone and target visible dark spots.

This lightweight serum blends a high concentration of vitamin C with a fast-absorbing base developed in Korean skincare tradition. It aims to even skin tone and support a radiant complexion when used consistently as part of a daytime or evening routine. The clear, fast-penetrating texture layers easily with moisturizers and sunscreens.

How does this serum approach dark spots and uneven tone?

The formula uses a potent 10,000 ppm of ascorbic acid to deliver antioxidant-rich vitamin C to the skin. Regular application helps improve visible unevenness and creates a brighter appearance across the complexion without heavy oils.

• High-strength 10,000 ppm ascorbic acid concentration for targeted brightening
• Light, non-greasy texture suitable for layering under creams
• Designed for spot-focused application and full-face use

How should I include the serum in my daily skincare routine?

Apply a few drops to clean skin after cleansing and toning, then follow with a moisturizer and broad-spectrum sunscreen in the morning. At night, use the serum before richer treatments to maximize absorption and support skin renewal while you sleep.

• Use 1–2 drops for targeted spots or 3–4 drops for full-face coverage
• Morning: always finish with SPF 30+ to protect treated areas
• Night: layer under hydrators and retinoids with appropriate spacing

Is this serum suitable for sensitive or reactive skin?

Because the product contains a high level of vitamin C, some sensitized skin types may experience tingling or temporary redness upon initial use. Start with every-other-day application and combine with calming moisturizers; perform a patch test before first full-face use.

• Patch test recommended on inner forearm for 24–48 hours
• Begin with reduced frequency to assess tolerance
• Pair with gentle, fragrance-free hydrating products if irritation occurs

What results can you reasonably expect and when?

Visible shifts in brightness and the appearance of dark spots usually become noticeable after consistent use for several weeks. Results vary by skin type, existing discoloration, and routine consistency; combine with sun protection for best outcomes.

• Initial smoother, brighter appearance within 2–4 weeks for many users
• More pronounced spot improvement typically over 8–12 weeks
• Maintain improvements with daily SPF and ongoing use

Who is this for: Ideal for people seeking a powerful, fast-absorbing vitamin C serum to address hyperpigmentation, post-acne dark marks, or general dullness. It suits experienced vitamin C users and those comfortable introducing higher-strength active serums into their routine—especially when paired with daily sun protection and gentle complementary products.

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