Tranexamic Topical Acid 5% — Reddit Reviews
by Naturium
Updated October 18, 2026
5% tranexamic acid targets hyperpigmentation and post-acne marks; potent brightening blend.
What the community says
A 5% tranexamic acid serum pairing kojic acid, niacinamide, licorice root extract, and panthenol for stubborn post-acne marks and uneven tone. It belongs in targeted brightening routines, but its potency can be intimidating alongside tretinoin or other actives.
What this means for you
What people love
- 5% TXA with kojic acid, niacinamide, and licorice root extract
- Noticeable brightness gains reported
- Acne spots looked smaller with twice-weekly use
Product details
Product Traits
Key Ingredients
Where to buy
What the science says vs. what Reddit says
Hyperpigmentation
Some evidence
Tranexamic Acid: 9 studies tested it directly. See all 19 studies
On Reddit: Twice-weekly use noticeably shrinks acne spots, with users also noting a difference in brightness. 7 mentions
What the studies found
- Most studies found tranexamic acid helped fade melasma and other dark patches
- Used on its own, it reduced how dark and widespread melasma patches were
- Used with laser treatment, it often faded melasma more than laser alone
- Different ways of using tranexamic acid often worked similarly, though some reviews found oral use or microneedling worked better
- The most common side effects were stomach upset, skin irritation, and menstrual changes
Studied at 2–5%this product: 5%
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 24 mentions across 17 threads
Naturium Tranexamic Topical Acid 5% on Reddit, in one place — 17 threads from r/SkincareAddiction, r/tretinoin and 3 more, summarized.
“There's also Naturium Tranexamic Acid serum”
Mentioned
“(tranexamic acid, niacinamide, licorice, kojic acid)”
Mentioned
“which is more impressive on paper but all of them are excellent.”
Mentioned
“Natrium txa serum”
Positive
“the Naturium TXA honestly made a noticeable difference in brightness for me.”
Positive
“thank you!! the Naturium TXA is so good, you'll love it.”
Positive
“I just bought these 2 products from Naturium.”
Mentioned
“I’m pairing their tranexamic serum with their alpha arbutin serum.”
Mentioned
“Anyone here have experience with them?”
Mentioned
“Naturium TXA serum with KJA, niacinamide and licorice”
Positive
“Day:”
Positive
“Applying products with -Tranexamic Acid ... helps the best.”
Positive
“naturium tranaxemic acid serum (pigmentation)”
Positive
“PM: naturium tranaxemic acid”
Positive
“What’s your before and after picture”
Positive
“At night, I use naturium tranexamic topical acid 5%, layered with Peptides by Medik8 and retinal by medik8.”
Mentioned
“Personally I use vit c and a good sunscreen in morning.”
Mentioned
“Melasma is incredibly hard yo get rid off.”
Mentioned
Dupes & Alternatives
Anua
Azelaic Acid Hyaluron Redness Soothing Serum
Better for Hyperpigmentation
3 shared traits
750 mentions
