ANUA Niacinamide 10% + TXA 4% Serum Review
- Nov 20, 2025
- 4 min read
Updated: Apr 25
I’ve struggled with stubborn dark spots and dull patches, so I was excited to try ANUA’s Niacinamide 10% + TXA 4% Serum. This watery, lightweight serum promises to brighten and balance skin. The texture is refreshingly fluid – it glides on like water, then quickly absorbs without any sticky residue. I could tell it’s fragrance-free, letting the ingredients do all the work (no perfume feel at all).
Product Overview
This silky, lightweight serum packs a potent brightening punch. Formulated with 10% niacinamide (Vitamin B3) and 4% tranexamic acid, it’s designed to even out skin tone and fade dark spots. I incorporate it after cleansing – its watery-pink texture feels fresh and absorbs quickly without stickiness. The bottle’s simple dropper design makes it easy to dispense just the right amount. It’s made for anyone dealing with hyperpigmentation, acne scars, or dullness, promising a dewy, refined glow without irritation. (👉 Shop on Amazon)
✨ Key Features and Ingredients
10% Niacinamide: Known for improving skin health in multiple ways, niacinamide brightens dullness, reduces redness, and balances oil. It helps minimize pores and smooth texture for an overall polished look.
4% Tranexamic Acid (TXA): A powerful brightening agent that targets stubborn dark spots and uneven tone. TXA works by inhibiting excess pigment production, so it’s ideal for fading acne marks and melasma.
2% Arbutin: A gentle skin-lightening compound that inhibits melanin production, helping to fade pigmentation and boost radiance. Arbutin delays discoloration and gives your skin a lit-from-within glow.
3-O-Ethyl Ascorbic Acid: A stable form of Vitamin C that penetrates deeply to enhance radiance and support collagen. This ingredient strengthens the formula’s brightening power and protects skin from free-radical damage.
Hydrators & Botanicals: Includes multiple forms of hyaluronic acid and natural extracts (peach flower, centella, etc.) to hydrate and soothe. Even with its potent actives, this serum doesn’t dry out the skin.
This serum is fragrance-free, and the formula is clear and non-greasy. It layers effortlessly under moisturizer or SPF. According to ANUA, it’s safe for daily use (both AM/PM), but I still recommend patch-testing if you have very sensitive skin.
My Personal Experience & Results
First Impressions: The bottle is pretty in a minimal way – a tiny pink dropper bottle that feels light in hand. The texture is fluid and silky, almost like a milky essence. Applying it felt cooling and pleasant. There’s virtually no scent at all, so even sensitive noses won’t notice anything. It spread easily over my face and absorbed within seconds.
Texture & Absorption: I use 2–3 drops on damp skin, then gently press it in. It doesn’t pill under my sunscreen or makeup, which was a relief. Within the first few days, I noticed my combination skin felt more balanced. The usual midday shine on my T-zone was reduced – a sign that the niacinamide was regulating oil. My skin felt nicely hydrated, not tight or dry.
Short-Term Results: After one week of consistent use (twice daily), I saw my complexion starting to brighten. The general redness around my cheeks and forehead looked calmer. Old acne spots were a bit lighter already, and my skin tone seemed more even. Pores looked slightly less obvious too – I attribute that to the niacinamide’s pore-refining effect.
Long-Term Results: By week three, the improvement was more noticeable. Darker spots and post-inflammatory hyperpigmentation had faded by at least half. My overall skin tone had a gentle glow and looked clearer. Importantly, I experienced no irritation or stinging, even though high-strength actives can sometimes be harsh. Instead, my skin felt soothed (likely from the botanical extracts and arbutin in the mix).
What I Loved:
✅ Potent brightening without irritation (a tricky balance!)
✅ Lightweight, fast-absorbing feel – layers well under all products
✅ Noticeable evening of tone and reduction in shine
✅ Clean, minimalist packaging that’s easy to use
Who Should Buy This Product
This serum is crafted for anyone aiming to brighten and balance their skin. It’s especially great for:
Those with uneven tone or acne scars looking to fade marks gently.
Anyone dealing with dullness or pigmentation who wants a more luminous complexion.
Combination/oily skin types that need oil-control and pore-refining benefits.
Fans of clean, fragrance-free formulas who still want powerful actives.
In short, if you crave clearer, more radiant skin but hate greasy or sticky serums, this is a solid choice. The 10% niacinamide + TXA combo delivers real results (the uneven areas in my complexion definitely perked up). That said, if you already use a lot of other strong acids or actives, introduce it slowly to avoid overloading your routine.
Conclusion & Final Thoughts
After a month of testing ANUA’s Niacinamide 10% + TXA 4% Serum, I’m impressed – it truly bridges gentle care with high efficacy. My complexion looks brighter and more even, with smoother texture and less mid-day shine. It feels like my skin’s barrier is also happy (no flaking or dryness here).
This serum has earned a spot in my daily routine. Would I repurchase? Absolutely. It strikes a refined balance between treatment and tenderness. If your goal is a dewy “glass-skin” glow, this ANUA serum is a jewel in any routine. ✨
Ready to level up your glow game? 👉 Explore all ANUA products on Amazon
🌿 Cotton Sky Lab is happy to participate in the Amazon Services LLC Associates Program (Disclosure: This page may contain affiliate links. As an Amazon Associate I earn from qualifying purchases)
If you click a link and make a purchase, we may earn a small commission at no extra cost to you, which helps keep Cotton Sky Lab running. Thank you for your support! 🌿