Vitamin C Serums Comparison

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.


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.


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.


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.


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.


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.


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.


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.


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?

Tips for Beginners:

  1. Start with a low-concentration serum to let your skin adjust.
  2. Use it in the morning under sunscreen for added UV protection, or at night for a brighter complexion.
  3. 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!

 

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