Vitamin C Serums Comparison
Which One is Right for You?
Vitamin C serum is essential for brightening skin, fading dark spots, and protecting against environmental damage. It’s also a powerful anti-aging ingredient, boosting collagen production, reducing fine lines, and fighting free radicals for firm, youthful skin. For beginners, start with a low concentration to avoid irritation and let your skin adjust gradually for the best results.
Today, we are comparing some of the most popular Korean Vitamin C serums to help you find your perfect match.
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1. COSRX The Vitamin C 23 Serum
Key Features:
- 23% pure Ascorbic Acid for powerful brightening.
- Contains Niacinamide and Glutathione for enhanced radiance and antioxidant protection.
- Added Squalane and Hyaluronic Acid for hydration.
Best For: Those looking for a high-concentration Vitamin C serum to tackle stubborn dark spots and improve overall skin tone.
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2. PURITO Pure Vitamin C Serum
Key Features:
- Gentle formula with Bamboo Water and 5% Ascorbic Acid.
- Niacinamide and Sodium Hyaluronate provide hydration and soothe sensitive skin.
- Free of alcohol and artificial fragrances.
Best For: Beginners to Vitamin C or those with sensitive skin seeking a milder brightening effect.
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3. KLAIRS Freshly Juiced Vitamin Drop
Key Features:
- A low-concentration (around 5%) Vitamin C serum with Centella Asiatica Extract.
- Rich in botanical extracts like grapefruit and broccoli to calm and nourish skin.
- Lightweight texture perfect for layering.
Best For: Sensitive skin types or anyone new to Vitamin C serums.
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4. SOME BY MI Galactomyces Pure Vitamin C Glow Serum
Key Features:
- Contains 75% Galactomyces Ferment Filtrate for hydration and texture improvement.
- 3% of Ascorbic Acid brightens and revitalizes skin.
- Infused with botanical extracts and Niacinamide for added glow.
Best For: Those looking to combine brightening benefits with hydration and pore care.
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5. NUMBUZIN No.5 Vitamin Concentrated Serum
Key Features:
- Infused with Niacinamide, Tranexamic Acid, and 3-O Ethyl Ascorbic Acid for a multi-targeted brightening effect.
- Contains Ceramides and Beta-Glucan for skin barrier support.
- Packed with hydrating and calming ingredients.
Best For: Those with uneven skin tone, pigmentation, or compromised skin barriers.
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6. ANUA Green Lemon Vita C Blemish Serum
Key Features:
- 20% of Ascorbic Acid paired with Lemon Extract for a citrusy boost.
- Ferulic Acid and Niacinamide enhance stability and results.
- Lightweight and refreshing texture.
Best For: Oily and blemish-prone skin types looking for a serum that targets pigmentation.
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7. ISNTREE Hyper Vitamin C 23 Serum
Key Features:
- 23% pure Ascorbic Acid for intense brightening.
- Enriched with plant extracts like Birch Juice and Vitamin E for added nourishment.
- Simple yet effective formula.
Best For: Experienced Vitamin C users who want dramatic results against dullness and discoloration.
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8. COS DE BAHA (VA) Vitamin C Serum
Key Features:
- Contains 15% of Ascorbic Acid to brighten skin and combat signs of aging.
- Aloe Vera and Sodium Hyaluronate provide soothing hydration.
- Witch Hazel and Rosemary Extracts help tone and refresh the skin.
Best For: Those seeking a balance between brightening, hydration, and soothing properties. Ideal for combination or normal skin types.
Which One Should You Choose?
- For Sensitive Skin: PURITO Pure Vitamin C Serum or KLAIRS Freshly Juiced Vitamin Drop.
- For High Potency: COSRX The Vitamin C 23 Serum, ISNTREE Hyper Vitamin C 23 Serum, or ANUA Green Lemon Vita C Blemish Serum (20% Vitamin C).
- For Added Hydration: SOME BY MI Galactomyces Pure Vitamin C Glow Serum, NUMBUZIN No.5 Vitamin Concentrated Serum, or COS DE BAHA (VA) Vitamin C Serum.
- For Oily Skin: ANUA Green Lemon Vita C Blemish Serum.
Tips for Beginners:
- Start with a low-concentration serum to let your skin adjust.
- Use it in the morning under sunscreen for added UV protection, or at night for a brighter complexion.
- Always patch-test new products to ensure they suit your skin.
If you’re new to vitamin C, consider starting with gentle options like PURITO Pure Vitamin C Serum or KLAIRS Freshly Juiced Vitamin Drop, which are formulated for sensitive skin. Once your skin adapts, you can explore more potent formulas for enhanced results!