COSRX: The Vitamin C 23 Serum

🧴 Product Details

📦 Size: 20 mL
✨ Texture: Lightweight, slightly oily serum (due to high vitamin C concentration)
💧 Finish: Dewy, radiant glow
🌞 Best for: Dark spots, acne marks, dull skin, uneven tone

🌟 What It Does

🍊 Fades hyperpigmentation and acne scars
✨ Brightens dull, tired-looking skin
🪞 Improves overall skin radiance
💧 Boosts collagen support (anti-aging benefits)
🌿 Helps even out skin tone over time

🧪 Key Ingredients

🍊 23% L-Ascorbic Acid (Pure Vitamin C)
Strong antioxidant that brightens and protects skin

💡 Vitamin E (Tocopherol)
Stabilizes vitamin C + boosts antioxidant power

💧 Hyaluronic Acid
Hydration support to reduce dryness from vitamin C

🌿 Allantoin
Soothes potential irritation from high-strength actives

🫧 Texture & Feel

💛 Slightly thick, oily-serum texture
✨ Absorbs with a dewy glow finish
⚠️ Can feel a bit sticky if over-applied
🪞 Works best layered with moisturizer

🌸 Skin Types

✔️ Normal skin
✔️ Oily skin (if well-tolerated)
✔️ Combination skin
✔️ Experienced vitamin C users

⚠️ Not ideal for very sensitive or beginner skin

💡 How To Use

☀️ Best used in the morning (or night if preferred)

1️⃣ Apply 2–3 drops after toner
2️⃣ Gently press into skin (don’t rub aggressively)
3️⃣ Follow with moisturizer
4️⃣ Always apply sunscreen ☀️ (very important)

⚠️ Things To Know

🍊 High-strength vitamin C = potent but can irritate
🧊 Refrigeration recommended after opening (helps stability)
⏳ Use within 2–3 months for best potency
⚡ May cause slight tingling at first use

🎀 Overall Vibe

🍊 “Glow-up in a bottle”
✨ Strong brightening + acne mark fading
🪞 Radiant glass-skin effect over time
💛 Powerful active serum (not beginner gentle skincare)