The Vitamin C 13 Serum

Good things take time. 30% off through November, automatically applied. (Exclusions apply)

Use everyday like a daily vitamin C for your skin

A gentle, water-based vitamin C serum that provides moisture and absorbs quickly without stickiness. Lighter and more refreshing than the Vitamin C 23 Serum, it can be used daily. Regular use will fade blemishes, dark spots, and freckles, while improving overall skin tone.

Size : 20ml / 0.67fl. oz


$21.00

Recommended for
COSRX The vitamin C 13 serum is ideal for those who want a Vitamin C product for daily use that also cares for hydrating and brightening the complexion.


Target concerns 
- Hyperpigmentation 
- Anti aging 
- Dullness


Texture
Non-sticky, lightweight, watery texture that absorbs well


Color
It has a slight yellowish tint, indicating that it contains pure vitamin C

Cleanse your skin and put a toner. Then apply few drops of serum to the skin. User fingertips to gently massage and absorb the serum, starting from the inside of the face working towards the edges

KEY INGREDIENTS
• 13% Pure Vitamin C :
Improves discoloration and uneven skin tone.
💡Learn More about Vitamin C →


• Tocotrienol(Super Vitamin E) :
Boasts up to 50 times greater anti-oxidizing efficacy than Tocopherol.


• Hyaluronic Acid and Allantoin :
Provides moisture and relieves irritation.

PROVEN RESULTS

- After 4 Weeks

  • Hydration
    113.77% improvement in surface moisture (surface hydration)

  • Skin Texture
    20.17% improvement in skin texture (roughness)

  • Pigmentation
    16.07% improvement in pigmentation
    12.22% reduction in melanin area

  • Triple-Complexion Skin Tone
    31.92% improvement in redness
    15.6% improvement in yellowness
    3.94% improvement in brightness

  • Wrinkles & Elasticity
    10.64% improvement in wrinkles (eye area)
    19.64% improvement in external elasticity
    14.07% improvement in internal elasticity

  • Pores
    36.97% reduction in pore volume
    34.44% reduction in pore area
    27.12% reduction in pore count
    9.4% reduction in pore depth


    *Based on clinical trials of 21 subjects.
    *As a result of the clinical trials from Dermacosmetic Skin Science Laboratory Co., Ltd

Complete your Routine

For the best results, use our Ready - Target - Protect routine! These are favorites from customers who got this serum, so they’ll work for you too!