TOSOWOONG Niacinamide + Arbutin Brightening Serum 33ml — 10% Niacinamide, 7% Arbutin for Dark Spots & Hydration

TOSOWOONG Niacinamide 10% Arbutin 7% Serum is a lightweight Korean treatment serum formulated to reduce dark spots and even skin tone while delivering hydration for a dewy glass-skin finish.

This concentrated 33ml serum blends high-strength niacinamide with arbutin and supportive hydrators to target hyperpigmentation and discoloration without heavy residue. It combines brightening actives, moisture-replenishing ingredients, and a fast-absorbing texture so you can layer it into morning or evening routines. Clinically tested for minimal irritation, the formula aims to correct uneven tone while keeping skin comfortable.

How quickly can I expect to see improvement in dark spots?

Individual results vary, but most users notice gradual lightening over several weeks when the serum is used consistently. Visible shifts in tone typically appear sooner on newer or surface-level spots, while deeper pigmentation requires longer continuous use.

• Use twice daily for best results: AM + PM after cleansing.
• Combine with sunscreen in the morning to protect progress.
• Expect progressive improvement over 4–12 weeks depending on spot depth.

Will this product suit sensitive or reactive skin?

The formula is clinically tested with a 0.0 irritation score and designed to be gentle for all skin types, including sensitive skin. It balances potent brighteners with soothing hydrators to reduce the chance of dryness or stinging.

• Niacinamide and arbutin are well-tolerated brightening agents.
• Panthenol, hyaluronic acid and ceramide NP support the moisture barrier.
• Patch-test when combining with other actives like retinoids or acids.

How should I layer this serum into my skincare routine?

The serum’s watery, fast-absorbing texture makes it easy to layer after cleansing and before heavier creams or oils. Apply a few drops to damp skin to maximize hydration, then follow with moisturizer and sunscreen during the day.

• Cleanse and tone, then apply 3–4 drops of the serum to face.
• Allow a minute to absorb, then seal with moisturizer and SPF in the morning.
• Do not mix directly with strong acids or Vitamin C serums; layer after those products if needed.

What additional benefits does the pink formula provide?

The serum’s subtle pink tint comes from included vitamin B12 and glutathione, chosen for antioxidant support and to provide a healthy-looking glow. The color is cosmetic and part of the formula’s identity rather than a functional brightening mechanism.

• Vitamin B12 and glutathione offer antioxidant support to skin appearance.
• Pink hue gives an immediate perception of radiance upon application.
• Supports long-term tone improvement when used consistently.

Who is this for: This serum is intended for anyone seeking to reduce dark spots, hyperpigmentation, and uneven tone while maintaining a hydrated, lightweight feel. It’s suitable for all skin types—oily, combination, dry, and sensitive—especially users who want a targeted discoloration-correcting step that layers easily under daily moisturizers and SPF.