ANUA Niacinamide Serum 10% + TXA 4% is a lightweight, fragrance-free dark spot serum created to improve the appearance of uneven tone, post-blemish marks and dull-looking skin. The formula combines 10% niacinamide, 4% tranexamic acid (TXA) and 2% arbutin with hydrating and barrier-supporting ingredients, making it an easy step to add after cleansing and toning.

Quick product guide

Why choose ANUA Niacinamide Serum?

This targeted serum is designed for shoppers who want a brighter, clearer and more even-looking complexion without a heavy finish. It spreads easily, layers comfortably under moisturizer and sunscreen, and can be used in either a morning or evening routine according to skin tolerance.

Targets the look of dark spots: Tranexamic acid and arbutin help improve the appearance of visible discoloration and post-blemish marks.
Supports a more even-looking tone: 10% niacinamide helps refine the look of uneven tone, dullness and texture.
Provides lightweight hydration: Hyaluronic acid and polyglutamic acid help attract and retain moisture without a greasy feel.
Supports the moisture barrier: Ceramide NP and panthenol help keep skin feeling comfortable and resilient.
Simple to layer: The fragrance-free texture fits easily between toner and moisturizer.

For a complete routine, explore more products in our Shop by Skin Concern collection and always pair brightening care with broad-spectrum sunscreen during the day.

ANUA Niacinamide Serum key ingredients

10% Niacinamide

Niacinamide is a versatile form of vitamin B3 that helps improve the appearance of skin clarity, tone and smoothness. At 10%, it is the main active in this ANUA Niacinamide Serum and works alongside the rest of the formula rather than relying on a single ingredient.

4% Tranexamic Acid (TXA)

Tranexamic acid is included to help reduce the look of stubborn uneven tone and visible dark spots. Consistent use, together with daily sun protection, is important when caring for the appearance of pigmentation.

2% Arbutin

Arbutin complements niacinamide and TXA by supporting a brighter and more uniform-looking complexion. The formula also contains alpha-arbutin.

Hydration and barrier support

Sodium hyaluronate, multiple forms of hyaluronic acid, polyglutamic acid, glycerin and panthenol help maintain hydration. Ceramide NP, centella asiatica extract and plant-derived oils help support comfortable, balanced-looking skin.

Full ingredient list

Water, Glycerin, Niacinamide, Tranexamic Acid, Butylene Glycol, Diethoxyethyl Succinate, 1,2-Hexanediol, Arbutin, Sodium Hyaluronate, Alpha-Arbutin, Coccinia Indica Fruit Extract, Eclipta Prostrata Extract, Macadamia Integrifolia Seed Oil, Olea Europaea (Olive) Fruit Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Vitis Vinifera (Grape) Seed Oil, Theobroma Cacao (Cocoa) Extract

Hydrolyzed Hyaluronic Acid, Chamaecyparis Obtusa Leaf Extract, Prunus Persica (Peach) Flower Extract, Camellia Sinensis Seed Oil, Yeast Ferment Extract, Centella Asiatica Extract, Artemisia Princeps Leaf Extract, Candida Bombicola/Glucose/Methyl Rapeseedate Ferment, Hyaluronic Acid, Pentylene Glycol, Betaine Salicylate, Sucrose Palmitate, Hydrogenated Lecithin, Gellan Gum, Sodium Phytate, Cellulose, Caprylic/Capric Triglyceride

Panthenol, Cyanocobalamin, Polyglutamic Acid, 3-O-Ethyl Ascorbic Acid, Ceramide NP, Dextrin, Asiaticoside, Madecassic Acid, Asiatic Acid, Dimethylsilanol Hyaluronate, Hydrolyzed Sodium Hyaluronate, Potassium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Hyaluronate Dimethylsilanol and Sodium Acetylated Hyaluronate.

Ingredient information is based on the brand listing. Formulas can be updated, so check the packaging you receive if you have a known sensitivity. You can also review the official ANUA product page.

How to use ANUA Niacinamide Serum

Cleanse your face and apply toner if it is part of your routine.
Apply a few drops of ANUA Niacinamide Serum to the face or to areas with visible uneven tone.
Gently pat until absorbed, then follow with moisturizer.
Start two or three times per week and increase gradually according to skin tolerance.
Use broad-spectrum sunscreen with SPF 30 or higher every morning.

Patch test before first use. Avoid applying to broken or irritated skin, and stop use if persistent irritation occurs. If your routine already contains strong exfoliating acids or retinoids, introduce new actives gradually rather than layering everything at once.

Complete buyer’s guide to ANUA Niacinamide Serum

This detailed guide explains how ANUA Niacinamide Serum can fit into a thoughtful skincare routine, what each major ingredient contributes, how to introduce the formula gradually and how to choose between the available sizes. Open any section below for practical guidance.

Understanding dark spots, post-blemish marks and uneven tone

Visible discoloration can appear for many reasons. A blemish may leave a temporary mark, repeated sun exposure can make tone look less even, and irritation may cause some areas to appear darker than the surrounding skin. These concerns often develop gradually, so they usually require a patient and consistent routine rather than a quick, aggressive approach.

Dark spots and post-blemish marks are not the same as active acne. A brightening serum can support a more even-looking complexion, but it does not replace an acne treatment when breakouts are still forming. If active blemishes are your main concern, focus first on gentle cleansing, suitable moisturization and products appropriate for breakout-prone skin.

ANUA Niacinamide Serum is designed to improve the appearance of existing uneven tone. Niacinamide, tranexamic acid and arbutin work through complementary cosmetic pathways, while hydrating ingredients help keep the routine comfortable. The goal is gradual improvement in clarity and radiance without relying on harsh physical scrubbing.

Daily sunscreen is the most important supporting step. Without consistent sun protection, visible marks can look darker or take longer to fade. Apply a broad-spectrum sunscreen every morning, use enough product, and reapply when spending extended time outdoors. A brightening routine and sunscreen work best as a pair.

How the ANUA Niacinamide Serum formula works together

The formula is more than a single active ingredient. Ten percent niacinamide supports the look of clarity, smoothness and balanced tone. Four percent tranexamic acid targets the appearance of discoloration, while two percent arbutin complements the brightening action. Using several compatible ingredients allows the serum to address tone from multiple angles.

Niacinamide is widely used because it can support several visible skin qualities at once. It helps the complexion look more even, can reduce the appearance of excess surface oil, and supports the moisture barrier. People with dry-looking skin can also benefit because barrier support helps the skin retain moisture more effectively.

Tranexamic acid is included as a targeted tone-care ingredient. In a cosmetic serum, it is used to improve the appearance of stubborn marks and uneven color. It is not an exfoliating acid, so it works differently from alpha hydroxy acids and beta hydroxy acids. That distinction makes it easier to place in many routines.

Arbutin and alpha-arbutin add another layer of brightening support. They are commonly chosen for routines focused on visible spots and dullness. The supporting blend of hyaluronic acid, polyglutamic acid, glycerin and panthenol helps offset the dry or tight feeling that can occur when too many active products are layered together.

ANUA Niacinamide Serum also includes ceramide NP, centella asiatica extract and a selection of plant-derived oils. These ingredients support comfort and the look of a healthy moisture barrier. They do not make the serum a replacement for moisturizer, but they help create a more balanced formula than a simple high-percentage active solution.

How to introduce ANUA Niacinamide Serum without overwhelming your skin

Introduce one new active product at a time. This makes it easier to understand how your skin responds and prevents confusion if irritation appears. Apply a small amount to a limited area for a patch test, wait to observe the response, and only then begin using the product across the face.

For the first two weeks, use ANUA Niacinamide Serum two or three evenings per week. Apply it after cleansing and toner, then follow with a simple moisturizer. If the skin remains comfortable, increase to every other day. Daily use can be considered later, but more frequent application is not automatically better.

A few drops are enough for the face. Using a large amount will not make visible spots fade faster and may increase the chance of stickiness or irritation. Spread a thin, even layer and allow it to settle before adding the next step. Avoid rubbing the skin aggressively during application.

If you prefer a morning routine, apply the serum before moisturizer and sunscreen. Give each layer a short moment to settle so the products do not pill. When combining several water-based serums, use the lightest texture first and keep the routine simple enough that every product can form an even layer.

Temporary mild tingling can occur with many active formulas, but persistent burning, swelling, strong itching or worsening redness is a reason to stop. Rinse the skin, return to a basic routine and seek professional advice if a reaction is significant or does not settle.

ANUA Niacinamide Serum routine ideas for different skin types

For oily or combination skin: Begin with a gentle cleanser, apply a hydrating toner if desired, use ANUA Niacinamide Serum, then choose a lightweight gel or lotion moisturizer. Finish the morning routine with a non-comedogenic sunscreen. Niacinamide can support a more balanced-looking finish without requiring an overly drying routine.

For normal skin: Use the serum after cleansing and before moisturizer. Normal skin often tolerates flexible morning or evening application, but gradual introduction is still recommended. Choose the rest of the routine according to seasonal needs, using lighter textures in humid weather and richer hydration when the skin feels dry.

For dry or dehydrated skin: Apply the serum to slightly damp, not wet, skin after a hydrating toner or essence. Follow promptly with a moisturizer containing humectants, emollients and barrier-supporting ingredients. ANUA Niacinamide Serum contains hydration support, but dry skin normally benefits from a separate moisturizer that seals everything in.

For sensitive-looking skin: Patch test carefully and start once or twice per week. Keep the rest of the routine fragrance-free and uncomplicated. Do not introduce exfoliating acids, retinoids and other strong products at the same time. If the skin already feels irritated, wait until the barrier feels comfortable before adding a tone-care serum.

For breakout-prone skin: Apply the serum on clean skin and avoid picking at blemishes. It can support the appearance of marks left after breakouts, but active acne may require a separate treatment. Introduce any acne treatment and this serum on different days initially so that you can monitor tolerance.

Ingredients that can be paired with ANUA Niacinamide Serum

Hyaluronic acid, glycerin, panthenol, centella asiatica and ceramides are straightforward companions. They focus on hydration and comfort rather than adding another strong treatment step. A routine built around these ingredients is often easier to maintain consistently than a routine containing many high-strength actives.

Vitamin C can be used in the same overall routine if your skin tolerates it. New users may prefer vitamin C in the morning and ANUA Niacinamide Serum in the evening. Separating them is not mandatory, but it simplifies the routine and makes it easier to identify which product is responsible if sensitivity develops.

Retinoids can also be part of a tone-focused routine, but both products should be introduced gradually. Use the retinoid on selected evenings and the serum on alternate evenings at first. Once tolerance is established, some users may layer them, but a moisturizer should remain part of the routine.

Exfoliating acids such as glycolic acid, lactic acid and salicylic acid can help with texture or congestion, yet using everything together may be too much. Alternate exfoliation nights with brightening-serum nights. Avoid the idea that stronger or more complicated always means faster results.

Benzoyl peroxide is effective for certain acne concerns but can be drying. If it is already in your routine, use it according to professional or product directions and introduce ANUA Niacinamide Serum separately. Prioritize comfort, moisturization and sunscreen rather than forcing both products into every application.

What to avoid when using ANUA Niacinamide Serum

Avoid physical scrubs with rough particles, harsh cleansing brushes and repeated rubbing of the same area. Irritation can make the skin look more inflamed and may worsen the appearance of marks. Gentle, consistent application is more appropriate for long-term tone care.

Do not add several new actives on the same day. When a routine suddenly includes an exfoliating toner, retinoid, strong vitamin C and ANUA Niacinamide Serum, it becomes difficult to identify the cause of a reaction. Introduce products one at a time and allow enough time to evaluate each addition.

Avoid skipping moisturizer because the serum feels hydrating. Serums usually deliver targeted ingredients, while moisturizers help reduce water loss and support the barrier. This distinction is especially important in air-conditioned rooms, dry seasons or routines that include acne treatments.

Do not skip sunscreen because you are indoors for part of the day. UVA can pass through windows, and outdoor exposure adds up during travel and errands. The most carefully planned brightening routine will be less effective if the skin receives repeated unprotected sun exposure.

Finally, avoid judging a product after only a few applications. Visible tone changes take time, and day-to-day lighting can make the complexion look different. Compare progress under similar lighting every few weeks rather than checking the mirror for changes every morning.

Realistic expectations for ANUA Niacinamide Serum

Skincare results are gradual and vary between individuals. Some people first notice that the skin looks more hydrated or radiant, while visible marks take longer. Consistency, sun protection, the age of the mark and the cause of discoloration all influence the timeline.

Use ANUA Niacinamide Serum regularly for several weeks before making a fair assessment, provided the skin remains comfortable. Photograph the same area under similar natural lighting at the beginning and at regular intervals. This is more reliable than comparing the complexion under different bathroom lights or phone filters.

Keep the rest of the routine stable during the evaluation period. If you change cleanser, toner, serum, moisturizer and sunscreen at the same time, it becomes impossible to know which step helped or caused irritation. A controlled routine gives you clearer information and usually feels gentler.

A cosmetic serum cannot diagnose or treat a medical condition. Seek advice from a qualified dermatologist if discoloration changes rapidly, appears without an obvious reason, becomes raised or uncomfortable, or does not respond to a well-managed routine. Professional guidance is also valuable for persistent acne or melasma.

Choosing between the 10 ml and 30 ml sizes

The 10 ml size is useful for first-time users, short trips and customers who want to patch test over a meaningful period before committing to the full bottle. It is also convenient when you rotate between several serums and use each product only a few nights per week.

The 30 ml size offers better continuity for a regular routine. Choose it if ANUA Niacinamide Serum already suits your skin or if you want enough product for consistent use across several weeks. Using a steady routine is generally more helpful than repeatedly changing formulas.

Whichever size you choose, keep the cap closed, store the bottle away from direct sunlight and excessive heat, and avoid touching the dropper directly to the face. Clean handling protects the formula and helps the product remain pleasant to use.

Authenticity, packaging and responsible use

Check that the product arrives in clean, intact packaging with readable batch and product information. Packaging details can change when a brand updates a formula or design, so a visual difference alone does not prove that a product is unauthentic. Purchase from a retailer that can explain its sourcing and support customers after the sale.

Color and texture may also look slightly different under different lighting or temperatures. The serum should be stored as directed and used within the period shown on the packaging after opening. Do not use a product that has an unusual odor, damaged seal or major texture change.

ANUA Niacinamide Serum is intended for external cosmetic use. Keep it away from the eyes, do not apply it to broken skin and keep it out of reach of children. Follow the packaging directions that arrive with your product because the manufacturer may update usage guidance or ingredients over time.

ANUA Niacinamide Serum product highlights

Explore the official texture, applicator and formula highlights for ANUA Niacinamide Serum before choosing your preferred size.

ANUA Niacinamide Serum low-irritation test

ANUA Niacinamide Serum dropper applicator

ANUA Niacinamide Serum with 10% niacinamide

Available sizes and product details

10 ml: A compact trial or travel-friendly size.
30 ml: The full size for regular use.
Brand: ANUA
Product type: Facial serum
Texture: Lightweight and non-greasy
Fragrance: Fragrance-free
Brand origin: South Korea
Country of manufacture: South Korea

Frequently asked questions

What skin concerns is this serum made for?

It is designed for the appearance of dark spots, post-blemish marks, dullness and uneven tone. Because individual skin can respond differently, introduce the formula gradually and monitor comfort.

Can I use it every day?

Many users can work up to daily use, but starting slowly is the safer approach. Apply ANUA Niacinamide Serum once a day or a few times per week at first, then adjust based on your skin’s response.

Can it be used in the morning?

Yes. It can be used in the morning under moisturizer, but sunscreen is essential. It can also be used in an evening routine.

Which size should I choose?

Choose 10 ml if you want to trial the texture or need a travel size. Choose 30 ml if the serum will be a regular part of your skincare routine.

txa

ANUA Niacinamide 10% + TXA 4% Dark Spot Correcting Serum