The Vitamin C 23 Serum

Regular price €29,50
Taxes included. Shipping calculated at checkout.
In Stock and ready to ship

The COSRX The Vitamin C 23 Serum is a high-performance brightening and anti-aging treatment formulated with 23% pure vitamin C (ascorbic acid). It targets dark spots, dullness, and fine lines while improving skin texture and tone. Enriched with Super Vitamin E (tocotrienol) for enhanced antioxidant protection, it helps defend the skin against environmental damage and promotes collagen production for firmer, smoother, and more radiant skin. The addition of sodium hyaluronate provides deep hydration, while allantoin soothes and calms irritation — making this potent formula suitable even for sensitive skin types.

20ml

Benefits

Brightens skin and fades dark spots and pigmentation

Improves elasticity and reduces fine lines

Strengthens the skin barrier with powerful antioxidants

Deeply hydrates and smooths the skin

Provides a healthy, radiant glow with consistent use

How to Use

Apply 2–3 drops to cleansed, toned skin in the evening.

Gently spread and pat until absorbed.

Follow with your favorite moisturizer.

Apply sunscreen the next morning for protection.

Store in a cool, dry place away from sunlight.

Ingredients

Vitamin C (Ascorbic Acid 23%) – brightens and evens skin tone

Vitamin E (Tocotrienol) – boosts antioxidant protection and stabilizes vitamin C

Sodium Hyaluronate – deeply hydrates and locks in moisture

Allantoin – soothes and reduces irritation

Panthenol – supports skin recovery and softness

How to Use

Your 3-Step Glow Skin

Still Unsure?

Let's talk Skincare.

How long does it take to see results?

Most users notice improvements after 3–6 weeks of consistent use. Results vary depending on your skin type and routine.

What is the correct order to apply skincare products?

Cleanser → Toner → Essence → Ampoule/Serum → Eye Cream → Moisturizer → SPF (morning only).

Do you offer recommendations based on my skin type?

Of course! Message us on Instagram and we will suggest a full personalised routine.

Are K-Beauty products safe for everyday use?

Yes — K-Beauty focuses on gentle, skin-friendly formulations designed for daily use.
Just start slowly if you’re using strong actives and always listen to your skin.