Niacinamide 10% + TXA 4% Serum — Reddit Reviews
by Anua
Updated September 8, 2026
10% niacinamide and 4% TXA brighten and fade dark spots; sticky texture.
What the community says
A high-strength serum with niacinamide and tranexamic acid targets stubborn pigmentation and brightening. Reddit users see visible fading but warn about stickiness and occasional breakouts. It can irritate sensitive or barrier-compromised skin, so patch testing is wise.
What this means for you
Backed by 30 threads from r/30PlusSkinCare, r/SkincareAddiction and 4 more.
Read the threads ↓What people love
Watch out for
Product details
Skin Type
Product Traits
Key Ingredients
Where to buy
What the science says vs. what Reddit says
What the science says
Niacinamide
Some evidence for acne- It often improved acne, but many studies used niacinamide together with other ingredients
- 19 studies back this, including one large review
- Some studies found it worked about as well as clindamycin or benzoyl peroxide
- A few studies found niacinamide beat a placebo or no treatment for red, sore spots and blemishes
- No major side effects were reported in the findings given
Studied at 4–10%this product: 10%
See 19 studiesWhat Reddit says
The why
Niacinamide controls oil in oily T-zones while TXA helps with dark spots from past breakouts.
“I started using Anua AA serum 10% since the last week of Feb.”
4 mentions for acne
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 125 mentions across 30 threads
Anua Niacinamide 10% + TXA 4% Serum on Reddit, in one place — 30 threads from r/30PlusSkinCare, r/SkincareAddiction and 4 more, summarized.
“tranexamic Anua 10% plus niacinimide”
Positive
“These are the main ones I have stuck with”
Positive
“I really saw a big difference after I introduced the tranexamic”
Positive
“10. Night: tretinoin (retin-a 0.1%), tranexemic (Anua), azelaic (Naturium)”
Positive
“The tranexemic is meant to help with pigmentation/dark spots which I always get after I get a pimple 🥲”
Positive
“the main actives I always have in my routine are tretinoin, vitamin c, azelaic acid, and tranexemic acid.”
Positive
“I personally switched to Cos de Baha and have been very pleased”
Positive
“their niacinamide and TXA serums”
Positive
“very pleased with their niacinamide and TXA serums”
Positive
“their 10% niacinamide + 4% TXA serum”
Cautionary
“to spot treat PIE”
Cautionary
“a few weeks later started developing closed comedones around the areas I applied.”
Cautionary
“Anua txa niacinamide serum”
Cautionary
“it’s so sticky and just sits on my skin”
Cautionary
“I really don’t understand the hype”
Cautionary
“A*ua Niacinamide + TXA 10%”
Positive
“Some of these serums helped me fade the dark spots from acne marks faster:”
Positive
“Do you layer/use any of the products together?”
Positive
Dupes & Alternatives
Skin1004
Madagascar Centella Asiatica Ampoule
Better for Redness / Irritation
9 shared traits
454 mentions
