JUMISO Niacinamide 20 Serum 40ml – Korean Pore Refining & Brightening Serum

20% niacinamide, tranexamic acid, glutathione and hexylresorcinol help improve the look of dark spots, post-blemish marks, pigmentation and dull, uneven skin for a brighter, more balanced complexion.

Niacinamide helps improve the look of enlarged pores and uneven texture, leaving the complexion looking smoother, clearer and more polished with consistent use.

A lightweight option for oily and combination skin wanting a more balanced-looking finish without a heavy or greasy feel.

Hyaluronic acid, glycerin, allantoin and Centella-derived actives, including asiaticoside, madecassic acid and asiatic acid, help keep skin feeling hydrated and comfortable alongside a high-strength brightening formula.

A lightweight, fast-absorbing serum that layers easily under moisturiser and SPF. It leaves skin feeling fresh and smooth without a sticky or heavy residue.

• Apply after cleansing and toning.
• Use 1–2 drops over the face, focusing on uneven tone, dark spots, visible pores or post-blemish marks.
• Follow with moisturiser.
• Use morning or evening. Always finish with SPF during the day.
• Patch test first and introduce gradually, especially if your skin is sensitive.

Reduce frequency or stop use if irritation occurs.

Best for oily, combination, dull, uneven, blemish-prone, post-blemish-mark-prone, pigmentation-prone and visible-pore-concerned skin.

Sensitive skin should patch test first and introduce gradually, increasing use only if comfortable.

Choose this serum when you want high-strength tone and pore care in a lightweight step. Niacinamide, tranexamic acid and glutathione are paired with hydrating and comforting ingredients, making it a focused option for uneven tone, dullness and excess shine.

20% Niacinamide: Helps brighten dullness, improve uneven tone, refine the look of pores and support a clearer-looking complexion.

Tranexamic Acid: Helps improve the look of dark spots, pigmentation and uneven tone.

Glutathione: Helps support radiance and a brighter-looking complexion.

Hyaluronic Acid and Sodium Hyaluronate: Help attract and hold moisture for a hydrated, plumper-looking finish.

Glycerin: A moisture-binding humectant that helps reduce dryness.

Allantoin: Helps calm and soften sensitive-feeling skin.

Asiaticoside, Madecassic Acid and Asiatic Acid: Centella-derived actives that help comfort stressed-looking skin and support barrier care.

Hexylresorcinol: Helps improve the look of uneven pigmentation for a more even-toned complexion.

Botanical Extracts: Artemisia Princeps leaf extract, Portulaca Oleracea extract and Rhodiola Rosea root extract help condition and support skin.

Morning: Cleanser → Toner → JUMISO Niacinamide 20 Serum → Moisturiser → SPF.

Evening: Cleanser → Toner → JUMISO Niacinamide 20 Serum → Moisturiser or Barrier Cream.

If using retinol, retinal, exfoliating acids or other strong brightening products, alternate routines if your skin is sensitive.

Is this serum high strength?
Yes. It contains 20% niacinamide.

Is it good for dark spots?
Niacinamide, tranexamic acid, glutathione and tone-supporting ingredients help improve the appearance of dark spots and uneven tone.

Can I use it every day?
Many skin types can use it daily. Sensitive skin should start slowly and increase use only if comfortable.

Can oily skin use it?
Yes. It supports a more balanced-looking finish for oily and combination skin.

Can sensitive skin use it?
Patch test first and introduce gradually. Reduce frequency or stop use if irritation occurs.

Can I use it with vitamin C?
If your skin tolerates both. Sensitive skin may prefer different times of day or alternating routines.

Can I use it with retinol or exfoliating acids?
Avoid layering too many strong actives if your skin is sensitive. Alternate routines instead.

Do I need SPF?
Yes. Finish your morning routine with SPF, especially when addressing dark spots and uneven tone.

Who is this best for?
Oily, combination, dull, uneven, visible-pore-concerned, pigmentation-prone or post-blemish-mark-prone skin wanting a high-strength Korean brightening serum.

A focused Korean brightening serum for tone care without a heavy texture. With 20% niacinamide, tranexamic acid, glutathione, hyaluronic acid, allantoin and Centella-derived support, this 40ml serum helps improve the look of dark spots, pores and dullness while leaving skin feeling fresh, hydrated and balanced.