
medicube
TXA Niacinamide 15% Serum
Serum · 40 ingredients · South Korea
TXA Niacinamide 15% Serum is a high-potency Korean serum formulated with 5% Tranexamic Acid and 10% Niacinamide to brighten dark spots, even skin tone, and deeply hydrate. Medicube's highest TXA concentration for dark spot and acne scar care to make healthy skin barrier and complexion.

IOPE
Expert Vitamin C 25% Antioxidant Serum for Brightening
Serum · 27 ingredients
A high-potency antioxidant serum formulated with 25% pure vitamin C and a five-antioxidant blend to visibly enhance skin clarity, radiance, and texture.
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Set your skin profileNo conflicts — safe to layer
Both are Serum products.
Brightening duo
Hydration support
Niacinamide
Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
Peptides
Amino-acid messengers that signal collagen production for firmer, smoother skin.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Tranexamic Acid
Targets stubborn melasma at its inflammatory root — gentle and well-tolerated.
Alpha Arbutin
A safe, stable brightener without the risks of hydroquinone.
Adenosine
A cell-signaling ingredient that smooths fine lines and supports firmer skin.
Panthenol (B5)
A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.
Rosa Centifolia Flower Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Ferulic Acid
An antioxidant that stabilizes vitamins C and E and roughly doubles their sun defense.
Glutathione
An antioxidant brightener that supports a more even tone.
L-Ascorbic Acid
A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.
Panthenol (B5)
A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.
Gluconolactone (PHA)
A gentle, large-molecule exfoliant that smooths and hydrates — ideal for sensitive skin.
Glutathione
An antioxidant brightener that supports a more even tone.
Ferulic Acid
An antioxidant that stabilizes vitamins C and E and roughly doubles their sun defense.
Hydration
Barrier
Brightening
Anti-aging
Firmness
Pores
Oil control
Soothing
Antioxidant
Healing
Hydration
Barrier
Brightening
Anti-aging
Texture
Soothing
Antioxidant