Description
* The Vitamin C 23 Serum 20ml
“Don’t think ‘vitamin serum is the same’!”
* Features & Benefits
* 7 Effects in One Drop:
Antioxidant
Elasticity improvement
Pore reduction
Pigmentation treatment
Wrinkle reduction (especially around the eyes)
Triple complexion improvement
Radiance/brightening improvement
* Key Ingredients:
23% pure vitamin C
Super Vitamin E
Hyaluronic Acid
“In vitro test result: COSRX The Vitamin C 23 Serum remains intact even after 120 hours. At a treatment concentration of 0.01%, an 83.6% of free radical generation inhibition rate was shown.”
* Testimonials
“Confident brightening that you can see with your own eyes.”
“Surprisingly 100% satisfaction with skin changes experienced by consumers for about 4 weeks.”
“Dull skin tone feels clear and even.”
* Research Data
Pigmentation Improvement: -16.2% (Period: 2022.08.10~2022.09.07)
Skin Tone Improvement: Yellow skin: -32.8%, Red skin: +3.9%
Improved Wrinkles Around the Eyes: -11.4%
Pore Improvement: Pore volume: -38%, Pore depth: -36%
* User Recommendations
Those seeking high-volume serum.
Those concerned about uneven skin tones or wrinkles.
* Awards
Naver Shopping Essence: 1st Place
Naver Beauty Window: 2nd & 5th Place
* How To Use
After washing your face, apply an appropriate amount on your face in the serum step.
Use your fingertips to massage the serum from the inside of your face outwards until absorbed.
If using during the day, always apply sunscreen.
Environment Consciousness
* For a sustainable earth, please recycle:
Dropper head: General waste
Dropper cap & Glass tube: Glass recycling
Label: Vinyl recycling
*Storage Precautions
Use immediately after purchase and store refrigerated (3-10°C).
Recommended use within 2 months of opening due to potential oxidation.
Store away from high temperatures and direct sunlight.
Remember, the effectiveness of products can vary from person to person. Always conduct a patch test before using new skincare products.
Samantha Caldwell from Los Angeles, USA (verified owner) –
Using COSRX The Vitamin C Serum was a transformative journey. Just after two weeks in the vibrant sun of Los Angeles, I noticed my complexion brighten as if it danced with joy!
Aaliyah Bennett from Toronto, Canada (verified owner) –
As I started my skincare journey in Toronto, seeking a product that offered multifaceted benefits for the vibrant yet demanding city lifestyle, COSRX The Vitamin C 23 Serum quickly became essential. In just a few weeks of use, its transformative nature is impossible to ignore. The brightness it adds transforms tired morning faces into glowing canvases ready for whatever the day throws our way. Dealing with cold winters here can challenge one’s complexion; however, this serum brought remarkable radiance and moisture back within my reach—a game-changer especially during these dreary months when dullness threatens our shine! Surprisingly effective on pesky hyperpigmentation too—an absolute bonus considering urban living often includes overexposure from constant street-level light stressors.
Anouk Jansen from Utrecht, Nederland –
Na drie weken gebruik voelde ik echt een transformatie. Mijn teint straalt, en zelfs mijn vrienden merkten het op! Deze serum maakt beloftes waar.