The COSRX The Vitamin C 13 Serum is a daily brightening treatment designed to improve skin tone, reduce dark spots, and restore radiance. Formulated with 13% pure vitamin C, this lightweight serum helps visibly brighten the complexion while supporting smoother, healthier-looking skin.

Enhanced with vitamin E, hyaluronic acid, and allantoin, the formula helps protect the skin from environmental stress while keeping it hydrated and comfortable.

Key Benefits

Brightens uneven skin tone
Vitamin C helps reduce the appearance of dark spots, blemish marks, and sun damage.

Improves skin radiance
Helps revive dull skin and promote a more luminous complexion.

Refines texture and pores
Antioxidant ingredients help smooth rough skin and improve the look of enlarged pores.

Provides antioxidant protection
Vitamin C and vitamin E help defend the skin against environmental stress and early signs of aging.

Who It’s For

Ideal for anyone experiencing dull skin, dark spots, uneven tone, or early signs of aging. Suitable for all skin types, including those new to vitamin C treatments.

How To Use

After cleansing and toning, apply a few drops to the face and gently pat until absorbed. Follow with moisturizer and broad-spectrum sunscreen during the day.

Pro Tip

Using vitamin C in the morning routine with sunscreen helps boost protection against environmental damage and helps prevent new dark spots from forming.

Ingredients