Niacinamide 20% Serum
A high-strength niacinamide serum paired with zinc, aimed at oily and blemish-prone skin that wants a more even, less shiny complexion. It is a plain, no-frills formula: alcohol-free, fragrance-free, and light enough to sit under the rest of your routine. A good fit for anyone working on dark spots, the look of pores, or midday shine.
More detail
The core actives are 20% niacinamide, which helps brighten, even out tone, support the skin barrier and keep oil in check, plus 4% zinc PCA that calms excess sebum and suits breakout-prone skin. Arbutin adds extra help fading dark spots, while glycerin, sodium hyaluronate, aloe and green tea keep things hydrated and soothed. The texture is a lightweight, quick-absorbing liquid you apply after cleansing, morning and/or night, before your moisturizer. Because 20% is a high concentration of niacinamide, introduce it slowly and patch test first, since very sensitive skin can occasionally flush or tingle. It layers cleanly under sunscreen and other products without pilling.
Ingredient check✓ all clear
Evidence checkGrade B
How grading works
What Korea says#48 serum
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Where to buybest total $15
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Amazon ✓ official Official store — verify seller before launch Accepts: Visa · MC · Amex · Discover · Amazon Pay · Affirm | $15 | — | $15BEST | Shop → |
| Olive Young Global ✓ official Ships from Korea 7–14d · +15% duty Accepts: Cards · PayPal · Apple Pay · Alipay+ | $12 | $8.80 | $20.80 | Shop → |
Totals include estimated import duty on Korea-shipped orders (15%, post–de minimis). Links open retailer search; exact product links are coming at launch. Payment methods indicative — verify at checkout.
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