


Product Overview
Formulated by COSRX 01, COSRX The Vitamin C 23 Serum 20g offers targeted care as an effective serum treatment for your daily facial serum regimen. Enriched with Vitamin C, it helps reinforce natural moisture barriers while addressing target concerns like complexion brightening and antioxidant defense. The lightweight formulation absorbs rapidly into the skin without leaving a heavy or sticky feel, making it suitable for smooth daytime preparation or restorative evening care.
Key Ingredients
Uses & Benefits
How to Use
Frequently Asked Questions (FAQ)
Q: Is Cosrx The Vitamin C 23 Serum 20g suitable for daily use?
A: Yes, Cosrx The Vitamin C 23 Serum 20g is formulated for gentle, safe daily application in your regular care routine.
Q: Can this product be used on sensitive skin types?
A: Yes, it is enriched with skin-soothing ingredients such as Vitamin C. Performing a patch test on your inner arm prior to first use is recommended.
For external cosmetic use only. Avoid direct contact with eyes; if contact occurs, rinse thoroughly with clean water. Discontinue use if signs of redness or irritation develop. Keep stored out of reach of children in a cool, dry environment.

COSRX was established in South Korea in 2013 by Sanghoon RX, deriving its brand name from Cosmetics and RX (prescription). Built on a philosophy of minimalist skincare using concentrated active ingredients, COSRX gained global popularity for effective acne care, Advanced Snail Mucin repair products, and gentle BHA exfoliants tailored for sensitive skin.