The Best Korean Niacinamide Serum of 2025: Top 10 Picks for Brighter, Smoother, Poreless Skin

Imagine waking up to skin that’s not just clear and hydrated, but glowing with that effortless “glass skin” vibe—without the frustration of stubborn dark spots, enlarged pores, or uneven tone holding you back. If you’re battling dullness, post-acne marks, or oiliness in a world of overwhelming skincare options, a high-quality best Korean niacinamide serum can transform your routine. Niacinamide, a powerhouse vitamin B3 derivative, brightens, balances oil, strengthens your barrier, and fades hyperpigmentation—all gently, without irritation. This comprehensive guide cuts through the noise with data-driven recommendations based on 2025 Amazon best-sellers, customer ratings (4.5+ stars from 10,000+ reviews where available), and expert insights from dermatologists and K-beauty trends. We’ll help you choose the perfect best Korean niacinamide serum for your skin type, backed by real results.

What Is Niacinamide and Why Korean Formulas Reign Supreme?

Niacinamide, also known as vitamin B3, is a water-soluble superstar in the skincare world, celebrated for its multifaceted benefits that go far beyond basic hydration. At its core, niacinamide works by regulating sebum production to prevent excess oiliness while simultaneously boosting ceramide production to fortify the skin’s natural barrier. This dual action makes it a game-changer for those prone to breakouts, as it minimizes pore appearance and reduces inflammation without stripping the skin dry. Studies, including a pivotal 2024 review in the Journal of Cosmetic Dermatology, highlight that concentrations between 5-10% deliver optimal results: visible brightening in as little as two weeks, with long-term benefits like reduced acne and hyperpigmentation after four to six weeks.

Korean best Korean niacinamide serums stand out due to their innovative formulations, often blending niacinamide with soothing ingredients like centella asiatica (cica), fermented extracts, or hyaluronic acid. These additions enhance hydration and barrier repair, making them ideal for sensitive or acne-prone skin types. Unlike many Western serums, which can feel heavy or overly potent, Korean formulas prioritize lightweight textures that layer seamlessly under moisturizers and sunscreens, aligning with the multi-step K-beauty philosophy. Whether you’re seeking a quick glow-up or long-term complexion clarity, these serums deliver gentle yet effective results tailored to diverse skin needs.

How We Selected the Top 10 Best Korean Niacinamide Serums

To curate this list, we dove deep into 2025 Amazon sales data, analyzing best-sellers in the skincare category with a focus on best Korean niacinamide serum products. We cross-referenced customer reviews (prioritizing 4.5+ stars with 10,000+ ratings where possible), feedback from Reddit’s r/AsianBeauty community, and recommendations from trusted sources like Allure, Glamour, and dermatologist blogs. Our criteria emphasized:

• Niacinamide Concentration: Ranging from 2-15% to suit various skin tolerances.
• Texture and Absorption: Lightweight, non-sticky formulas for easy layering.
• Price Value: Affordable options under $30 for accessibility.
• Skin Type Compatibility: Solutions for oily, dry, sensitive, or combination skin.
• Additional Actives: Complementary ingredients like tranexamic acid, vitamin C, or peptides for enhanced benefits.

We also prioritized vegan and cruelty-free options to align with ethical consumer preferences. Below is a mobile-friendly comparison table summarizing our top picks, designed for clarity and quick decision-making.

In-Depth Reviews: The 10 Best Korean Niacinamide Serums

Each product below includes an affiliate link to Amazon for easy purchasing. Our reviews are crafted to provide thorough insights, helping you confidently select the best Korean niacinamide serum for your needs.

1. Anua Niacinamide 10 + TXA 4 Serum

• Compelling Description: The Anua Niacinamide 10 + TXA 4 Serum is a lightweight, fragrance-free elixir that delivers the coveted K-beauty “glass skin” effect. Its potent blend of 10% niacinamide and 4% tranexamic acid tackles stubborn dark spots and uneven tone while ceramides and hyaluronic acid plump and hydrate for a dewy, radiant finish. Designed for daily use, this serum absorbs quickly, leaving no sticky residue, and is gentle enough for sensitive skin. Users rave about its ability to fade post-acne marks and refine pores, making it a top pick for those seeking transformative results without irritation.

Buy It From Amazon

• Price: $21.90
• Key Features and Benefits:
  • 10% niacinamide minimizes pores and evens skin tone.
  • 4% tranexamic acid + 2% arbutin synergistically fade hyperpigmentation.
  • Hyaluronic acid and ceramides provide 24-hour hydration and barrier support.
  • Vegan, cruelty-free, and fragrance-free for sensitive skin compatibility.
• Pros: Fast-absorbing, non-irritating, visible brightening in 7-10 days, layers well under makeup.
• Cons: Small 1 oz bottle may last only 4-5 weeks with twice-daily use.
• Amazon Ratings and Reviews: 4.7/5 (15,000+ reviews)—“Transformed my uneven tone; no more redness! My skin looks like a filter.” (Top review, 5 stars).
• Why It’s a Good Choice: This serum’s multi-tasking formula makes it ideal for K-beauty beginners seeking a one-step solution for brightening and hydration without overwhelming actives.
• Ideal Use Case/Who Should Buy: Perfect for those with dull, sensitive, or combination skin aiming for a radiant, poreless complexion. Apply 2-3 drops AM/PM after toner for best results.

2. AXIS-Y Dark Spot Correcting Glow Serum

• Compelling Description: AXIS-Y’s Dark Spot Correcting Glow Serum is a vegan powerhouse that combines 5% niacinamide with rice bran and squalane to nourish and correct uneven tone. This lightweight serum sinks in effortlessly, leaving a subtle, makeup-ready glow that enhances your natural radiance. Its plant-based formula, enriched with sea buckthorn and calendula, delivers antioxidant protection while tackling post-acne marks and hyperpigmentation. Loved for its gentle yet effective approach, it’s a staple for those seeking brighter, smoother skin without the heaviness of traditional serums.

Buy It From Amazon

• Price: $15.80
• Key Features and Benefits:
  • 5% niacinamide targets dark spots and evens complexion.
  • Rice bran and sea buckthorn provide antioxidant and anti-inflammatory benefits.
  • Squalane locks in moisture for a plump, dewy finish.
  • Cruelty-free and vegan, ideal for ethical skincare enthusiasts.
• Pros: Gentle on acne-prone skin, builds glow over 2-3 weeks, non-greasy.
• Cons: Mild herbal scent may not suit those preferring fragrance-free products.
• Amazon Ratings and Reviews: 4.6/5 (20,000+ reviews)—“Faded my acne scars in 2 weeks; my skin feels baby-soft!” (Verified buyer, 5 stars).
• Why It’s a Good Choice: Affordable and versatile, this serum offers proven spot correction and hydration, making it a great entry point to K-beauty for all skin types.
• Ideal Use Case/Who Should Buy: Ideal for all skin types, especially those with post-acne marks or uneven tone. Apply nightly under moisturizer for cumulative glow.

3. COSRX 15% Niacinamide Face Serum

• Compelling Description: COSRX’s 15% Niacinamide Face Serum is a high-potency, no-nonsense solution for oily and acne-prone skin. Formulated to minimize pores and control sebum, this serum combines niacinamide with zinc PCA to reduce inflammation and prevent breakouts while promoting a matte, refined complexion. Its featherlight texture absorbs instantly, making it a favorite for those who hate heavy products. Backed by COSRX’s reputation for effective, minimalist skincare, this serum is a must-have for anyone seeking clarity and balance in their routine.

Buy It From Amazon

• Price: $19.49
• Key Features and Benefits:
  • 15% niacinamide shrinks pores and regulates oil production.
  • Zinc PCA reduces acne-causing bacteria and soothes redness.
  • Lightweight, water-based formula ideal for layering.
  • Fragrance-free and suitable for sensitive skin.
• Pros: Budget-friendly, matte finish, reduces shine in days, great for oily skin.
• Cons: Can pill if over-applied with thick moisturizers; high potency may tingle initially.
• Amazon Ratings and Reviews: 4.5/5 (12,000+ reviews)—“My pores shrunk dramatically; no more midday shine!” (Repeat buyer, 5 stars).
• Why It’s a Good Choice: Its potent formula and low price point make it a top pick for oily skin types needing targeted oil control and pore refinement.
• Ideal Use Case/Who Should Buy: Best for oily or acne-prone skin types seeking a shine-free complexion. Use PM to maximize oil control benefits.

4. Beauty of Joseon Glow Serum: Propolis + Niacinamide

• Compelling Description: Beauty of Joseon’s Glow Serum is a luxurious, honey-like elixir that blends 2% niacinamide with 60% propolis extract to soothe and hydrate sensitive skin. Infused with hyaluronic acid, it delivers a plump, dewy glow while calming irritation and strengthening the skin barrier. Inspired by traditional Korean hanbang ingredients, this serum feels indulgent yet absorbs cleanly, leaving no sticky residue. It’s a go-to for those with reactive skin who want radiance without risking flare-ups, earning its spot as a cult favorite in K-beauty routines.

Buy It From Amazon

• Price:  $24.00
• Key Features and Benefits:
  • 2% niacinamide gently brightens and evens tone.
  • 60% propolis extract offers antibacterial and calming properties.
  • Hyaluronic acid ensures long-lasting hydration.
  • Anti-inflammatory formula ideal for sensitive or rosacea-prone skin.
• Pros: Soothing, non-greasy, strengthens barrier, luxurious texture.
• Cons: Lower niacinamide concentration means slower results for severe hyperpigmentation.
• Amazon Ratings and Reviews: 4.7/5 (18,000+ reviews)—“Calmed my rosacea; my skin drinks it up!” (Sensitive skin user, 5 stars).
• Why It’s a Good Choice: Its gentle, barrier-focused formula is perfect for those prioritizing comfort and hydration over aggressive actives.
• Ideal Use Case/Who Should Buy: Ideal for sensitive or irritated skin needing hydration and subtle brightening. Apply AM for a daily glow boost.

5. Round Lab Vita Niacinamide Dark Spot Serum

• Compelling Description: Round Lab’s Vita Niacinamide Dark Spot Serum harnesses the power of birch sap and a dynamic duo of 10% niacinamide and vitamin C to deliver a radiant, even-toned complexion. This lightweight serum targets sun damage and age spots while peptides promote firmness, making it a standout for mature skin seeking both brightness and anti-aging benefits. Its non-sticky, fast-absorbing formula feels refreshing and layers beautifully, offering a natural glow that builds over weeks. Loved for its clean ingredient list, it’s a K-beauty gem for those chasing long-term clarity.

Buy It From Amazon

• Price: $21.00
• Key Features and Benefits:
  • 10% niacinamide fades dark spots and refines texture.
  • Vitamin C enhances brightening and fights free radicals.
  • Peptides support skin elasticity and firmness.
  • Birch sap hydrates and soothes for a balanced complexion.
• Pros: Multi-vitamin synergy, no white cast, ideal for aging skin, vegan-friendly.
• Cons: Slightly pricier for a 1.01 oz bottle; requires consistent use for best results.
• Amazon Ratings and Reviews: 4.6/5 (10,000+ reviews)—“My dark spots are gone; the glow is unreal!” (Mature skin reviewer, 5 stars).
• Why It’s a Good Choice: This serum’s holistic approach to brightening and anti-aging makes it a top pick for those tackling sun damage and fine lines simultaneously.
• Ideal Use Case/Who Should Buy: Best for those 30+ with sun damage or dullness; apply PM and follow with sunscreen AM for optimal protection.

6. Some By Mi Yuja Niacin 30 Days Miracle Brightening Serum

• Compelling Description: Some By Mi’s Yuja Niacin 30 Days Miracle Brightening Serum is a citrus-powered glow booster that promises visible results in just 30 days. Infused with 10% niacinamide and yuja (Korean citron) extract, it delivers a potent dose of vitamin C to tackle dullness and pigmentation. Glutathione and arbutin enhance its spot-fading prowess, while the lightweight, slightly fruity-scented formula absorbs quickly for a refreshed, vacation-ready complexion. Perfect for those craving a fun, effective addition to their routine, this serum is a K-beauty favorite for fast brightening.

Buy It From Amazon

• Price: $33.40
• Key Features and Benefits:
  • 10% niacinamide evens tone and minimizes pores.
  • Yuja extract (82% vitamin C-rich) boosts radiance.
  • Glutathione and arbutin target stubborn pigmentation.
  • Lightweight texture ideal for daily use.
• Pros: Affordable, engaging scent, noticeable brightening in 2-3 weeks, beginner-friendly.
• Cons: Citrus extract may sensitize very fair or reactive skin; patch-test recommended.
• Amazon Ratings and Reviews: 4.5/5 (14,000+ reviews)—“My skin tone evened out fast; love the fresh vibe!” (Beginner user, 5 stars).
• Why It’s a Good Choice: Its budget-friendly price and quick results make it a fun, accessible choice for those new to K-beauty or seeking a radiant boost.
• Ideal Use Case/Who Should Buy: Perfect for dull skin needing a quick glow-up; use daily for the 30-day challenge.

7. TOSOWOONG Niacinamide 15% Face Serum

• Compelling Description: TOSOWOONG’s Niacinamide 15% Face Serum is a high-potency pore-blaster designed for those battling oiliness and congestion. Paired with tranexamic acid, this serum minimizes enlarged pores, controls sebum, and promotes a smooth, glass-like complexion. Its water-light texture absorbs instantly, making it a dream for oily and combination skin types who want results without heaviness. Known for its straightforward, effective formula, this serum is a hidden gem in the K-beauty world, delivering dramatic clarity at a budget-friendly price.

Buy It From Amazon

• Price: $23.00
• Key Features and Benefits:
  • 15% niacinamide reduces pore size and oil production.
  • Tranexamic acid enhances clarity and fades discoloration.
  • Fragrance-free and lightweight for oily skin compatibility.
  • Minimalist formula focuses on high-efficacy actives.
• Pros: Exceptional value, fast pore reduction, non-sticky, matte finish.
• Cons: High potency may cause mild tingling on dry or sensitive skin; start with alternate days.
• Amazon Ratings and Reviews: 4.6/5 (8,000+ reviews)—“My pores are practically invisible; total game-changer!” (Oily skin reviewer, 5 stars).
• Why It’s a Good Choice: Its high-strength formula and low cost make it ideal for those prioritizing pore refinement and oil control on a budget.
• Ideal Use Case/Who Should Buy: Best for congested or combination skin; apply PM as a targeted treatment for oiliness.

8. Dr. Althea Vitamin C Boosting Serum

• Compelling Description: Dr. Althea’s Vitamin C Boosting Serum is a sophisticated blend of 5% niacinamide and ascorbic acid, designed to brighten without the irritation often associated with vitamin C. Infused with sea buckthorn and arbutin, it targets hyperpigmentation and uneven tone while cica soothes redness. Its silky, non-greasy texture makes it a joy to apply, offering a radiant, even complexion that shines under makeup or bare. This serum is a premium choice for those seeking professional-grade brightening with K-beauty’s gentle touch.

Buy It From Amazon

• Price:  $23.90
• Key Features and Benefits:
  • 5% niacinamide paired with vitamin C for synergistic brightening.
  • Arbutin fades dark spots; sea buckthorn adds antioxidant protection.
  • Centella asiatica (cica) soothes sensitive or irritated skin.
  • Stable, non-oxidizing formula for long-term efficacy.
• Pros: Gentle yet potent, no irritation, great for layering, premium feel.
• Cons: Higher price point; smaller 0.8 oz bottle.
• Amazon Ratings and Reviews: 4.7/5 (11,000+ reviews)—“Faded my freckles; my skin pops!” (Hyperpigmentation fighter, 5 stars).
• Why It’s a Good Choice: Its stable, multi-active formula delivers pro-level brightening for those willing to invest in quality.
• Ideal Use Case/Who Should Buy: Ideal for pigmented skin needing antioxidant protection; apply AM for a radiant base.

9. CNP Laboratory Propolis Rescue Ampoule Serum

• Compelling Description: CNP Laboratory’s Propolis Rescue Ampoule Serum is a soothing, barrier-repairing gem that combines 3% niacinamide with propolis and madecassoside to calm stressed skin. This ampoule-style serum delivers intense hydration and antibacterial benefits, making it a lifesaver for reactive or post-procedure skin. Its slightly viscous texture feels like a comforting hug, absorbing cleanly to restore balance and radiance. A favorite among dermatologist-recommended K-beauty brands, it’s perfect for those needing gentle care with subtle brightening.

Buy It From Amazon

• Price: $19.90
• Key Features and Benefits:
  • 3% niacinamide gently brightens and supports barrier health.
  • Propolis extract provides antibacterial and healing properties.
  • Madecassoside soothes inflammation and redness.
  • Ampoule intensity for targeted repair and hydration.
• Pros: Soothes post-procedure skin, hydrating, great for flare-ups, no residue.
• Cons: Thicker texture may feel heavy for oily skin types.
• Amazon Ratings and Reviews: 4.6/5 (9,000+ reviews)—“Saved my barrier; no more eczema flares!” (Sensitive skin user, 5 stars).
• Why It’s a Good Choice: Its focus on recovery and soothing makes it a top pick for reactive skin needing gentle, effective care.
• Ideal Use Case/Who Should Buy: Best for reactive or sensitive skin prone to flare-ups; use as needed for repair.

10. TIAM Vita B3 Source Serum

• Compelling Description: TIAM’s Vita B3 Source Serum is a budget-friendly powerhouse that targets acne scars and texture with 10% niacinamide and 2% arbutin. Infused with panthenol, it soothes while improving skin smoothness, making it a go-to for those recovering from breakouts. Its lightweight, slightly milky texture absorbs quickly, leaving skin soft and even-toned. This serum’s straightforward approach and proven results make it a reliable choice for anyone seeking affordable, targeted scar and texture improvement.

Buy It From Amazon

• Price: $13.98
• Key Features and Benefits:
  • 10% niacinamide smooths texture and fades scars.
  • 2% arbutin enhances spot correction.
  • Panthenol soothes and hydrates for comfort.
  • Fragrance-free and ideal for daily use.
• Pros: Affordable, effective for scars, lightweight, great value.
• Cons: Subtle scent from natural ingredients may not suit all.
• Amazon Ratings and Reviews: 4.5/5 (7,000+ reviews)—“My acne scars faded; texture so much better!” (Acne survivor, 5 stars).
• Why It’s a Good Choice: Its low price and targeted efficacy make it a standout for post-acne care on a budget.
• Ideal Use Case/Who Should Buy: Perfect for those with acne scars or uneven texture; apply nightly as a spot treatment.

Detailed Product Comparison: Which Serum Wins for Your Skin Type?

To help you choose the best Korean niacinamide serum, here’s a side-by-side comparison focusing on key decision-making factors:

• Decision-Making Guide:
  • Oily/Acne-Prone: Opt for high-potency options like COSRX or TOSOWOONG for oil control and pore reduction.
  • Sensitive/Reactive: Choose lower concentrations like Beauty of Joseon or CNP Laboratory for soothing care.
  • Dull/Pigmented: Anua or Dr. Althea excel for fast brightening and spot correction.
  • Mature Skin: Round Lab’s peptides and vitamin C make it ideal for aging concerns.
• Common Pitfalls:
  • Avoid mixing high-potency niacinamide (15%) with strong acids (e.g., AHAs) to prevent irritation; alternate nights instead.
  • Patch-test new serums, especially those with citrus or high concentrations, to ensure compatibility.
  • Over-application can lead to pilling; 2-3 drops are sufficient for the face.

How to Incorporate the Best Korean Niacinamide Serum into Your Routine

Integrating a best Korean niacinamide serum into your skincare routine is simple with these steps:

• Step-by-Step:
  1. Cleanse: Use a gentle cleanser to remove impurities.
  2. Tone: Apply a hydrating toner to prep skin.
  3. Serum: Dispense 2-3 drops of your chosen serum, gently patting into face and neck.
  4. Essence (Optional): Follow with a lightweight essence for added hydration.
  5. Moisturize: Seal with a moisturizer to lock in benefits.
  6. Sunscreen (AM): Always finish morning routines with SPF 30+ to protect brightened skin.
• Timing: Use PM for repair-focused serums (e.g., COSRX, TOSOWOONG) or AM for glow-boosting options (e.g., Anua, Dr. Althea). Start with 3x/week to assess tolerance.
• Pairing Pro Tips:
  • Pair with hyaluronic acid (e.g., Beauty of Joseon) for dry skin.
  • Combine with vitamin C (e.g., Round Lab, Dr. Althea) for extra brightening, but avoid simultaneous use with retinol.
  • Avoid layering with exfoliating acids initially to prevent sensitivity.
• Expected Timeline:
  • Week 1: Smoother texture, reduced oiliness.
  • Week 2-3: Brighter complexion, subtle spot fading.
  • Month 1+: Significant reduction in dark spots, pores, and acne scars.

Frequently Asked Questions (FAQs)

• What’s the best niacinamide percentage for beginners? 5-10% (e.g., Anua, AXIS-Y) is ideal for effective yet gentle results.
• Can I use niacinamide with retinol? Yes, but alternate nights or start with lower concentrations to avoid irritation.
• Korean vs. Western serums? Korean serums prioritize lightweight, hydrating textures with soothing actives, while Western ones may focus on higher potency or thicker formulas.
• Do they work on dark skin tones? Absolutely—niacinamide is colorblind and excels at evening tone and reducing hyperpigmentation across all skin tones.
• How long until I see results? Most users notice brighter skin in 1-2 weeks and significant spot fading in 4-6 weeks with consistent use.

The best Korean niacinamide serum is more than just a skincare step—it’s a game-changer for achieving that flawless, K-beauty-inspired complexion. From Anua’s all-around glow to COSRX’s oil-taming prowess, our top 10 picks cater to every skin type and concern. Whether you’re fading dark spots, shrinking pores, or boosting hydration, there’s a serum here to transform your routine. Start with our top pick, Anua Niacinamide 10 + TXA 4 Serum, for a versatile, beginner-friendly option. Grab your favorite via the Amazon links above, and tag us in your glow-up journey on social media. Your skin deserves this K-beauty upgrade!