What it is:

Dr.Althea Vitamin C Boosting Serum 63% is a premium Korean brightening serum designed to improve the appearance of dark spots, uneven skin tone and dullness while promoting a brighter, smoother and more radiant-looking complexion. Formulated with 63% Sea Buckthorn Water, 5% Niacinamide and 2% Tranexamic Acid, this multi-action serum combines targeted brightening care with hydration and antioxidant benefits.

Its lightweight formula also contains vitamin C derivatives and soothing ingredients that help improve visible discoloration, support the skin's natural moisture barrier and maintain a healthy-looking glow. It is an ideal addition to a daily K-beauty routine for anyone looking to achieve a clearer, more luminous and even-looking complexion.

Who it’s for

Suitable for most skin types, especially anyone concerned with dark spots, post-acne marks, uneven skin tone or dullness. It is particularly suited to those looking for a Korean brightening serum that combines targeted pigmentation care with hydration, antioxidant protection and skin-soothing benefits.

Why it’s special

This advanced brightening serum takes a multi-targeted approach to achieving a more radiant and even-looking complexion. It helps reduce the appearance of dark spots and post-acne discoloration, improve visible dullness and restore luminosity to tired-looking skin. The formula also provides antioxidant care and hydration while supporting the skin's natural moisture barrier. Its lightweight texture makes it easy to incorporate into a daily skincare routine, leaving skin feeling smoother, softer and refreshed.

Perfect for you if

• You want brighter, more radiant-looking skin with a smoother, more even complexion

• Dark spots, post-acne marks or uneven skin tone are among your main skincare concerns

• You’re looking for a Korean brightening serum that combines targeted discoloration care with hydration and antioxidant benefits

Ingredients that make the difference

63% Sea Buckthorn Water (Hippophae Rhamnoides Water) — A botanical ingredient naturally associated with antioxidants and vitamin C, used as the signature base of the formula. Helps support a refreshed, hydrated and radiant-looking complexion.

5% Niacinamide (Vitamin B3) — A multifunctional brightening ingredient that helps improve uneven skin tone, reduce the appearance of dark spots and support the skin's natural moisture barrier for smoother, healthier-looking skin.

2% Tranexamic Acid — A targeted brightening ingredient known for helping improve the appearance of hyperpigmentation, post-acne marks and uneven skin tone, promoting a clearer and more uniform-looking complexion.

Who can use it?

Suitable for most skin types, including normal, dry, combination and oily skin, and particularly beneficial for adults looking to address dullness, dark spots, post-acne marks and uneven skin tone. Its combination of brightening, hydrating and soothing ingredients makes it a versatile addition to a daily skincare routine.

Those with sensitive or reactive skin should introduce the serum gradually and patch-test before regular use. For daytime routines, follow with broad-spectrum sunscreen to help protect against further visible discoloration.