Centella 4% TXA Dark Spot Go Away Serum — Reddit Reviews
Updated October 6, 2026
Tranexamic acid and niacinamide for acne marks; some users get stinging.
What the community says
A centella-and-TXA serum people reach for on dark spots and acne marks, with niacinamide and vitamin C derivatives in the mix. Redditors liked the brightening angle, but one user got redness, stinging, and possible closed comedones after reintroducing it.
What this means for you
Backed by 4 threads from r/AsianBeauty, r/SkincareAddiction and 1 more.
Read the threads ↓What people love
- Brightening focus for acne marks
- Centella-heavy soothing support
- Niacinamide + TXA combo
Watch out for
- Can sting and turn skin red
- Closed comedones showed up for one user
- Night-use confusion keeps popping up
Product details
Skin type data limited
Where to buy
What the science says
Hyperpigmentation
Strong evidence
Tranexamic Acid: 12 studies tested it on its own. See all 21 studies
Both ingredients for hyperpigmentation
Tranexamic Acid Strong evidence
- Most studies found tranexamic acid helped fade dark patches
- It often faded melasma better than a placebo
- Used on its own, it often worked about as well as hydroquinone
- Used with laser or microneedling, it often helped more than those treatments alone
- Some studies found no clear extra benefit in certain forms or comparisons
Studied at 1–5%this product: 4%
Niacinamide Some evidence
5 studies tested it on its own. See all 24 studies
- All of these studies found niacinamide helped fade dark spots or patches
- Niacinamide 5% faded dark spots more than a placebo in studies of sun-damaged skin and dark patches
- Used with salicylic acid peels, niacinamide improved dark patches more than peels alone
- A niacinamide mix faded dark spots better than niacinamide alone in one study
- One study found the fading effect reversed after niacinamide was stopped
Studied at 2–10%this product: 4%
Acne
Some evidence
Niacinamide: 6 studies tested it on its own. See all 17 studies
Skin Barrier
Not proven yet
Few or mixed studies. This claim isn't established.
Niacinamide: 1 study tested it on its own. See all 17 studies
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 4 mentions across 4 threads
Haruharu Wonder Centella 4% TXA Dark Spot Go Away Serum on Reddit, in one place — 4 threads from r/AsianBeauty, r/SkincareAddiction and 1 more, summarized.
“Haruharu wonder centella 4% TXA Dark Spot Go Away Serum”
Mentioned
“this seems like something I should use at night after toner?”
Mentioned
“I don’t know if it’d be ok under sunscreen”
Mentioned
“Decided to re-introduce the Haruharu Wonder Centella 4% TXA Dark Spot Go Away serum again after not using it in my routine for a few months.”
Cautionary
“I found that it makes the left side of my chin red and stings a little whenever I use it”
Cautionary
“I also started seeing small bumps on the right side of my cheek, they look like closed comedomes.”
Cautionary
“Then I tried TXA for 5 days and my forehead brightened up significantly more than all those months with AA.”
Positive
“I use the haruharu wonder TXA”
Positive
“I believe it has niacinamide in it as well to help brighten”
Positive
“Haruharu Wonder Centella 4% TXA Dark Spot Go Away Serum is another good option, combining centella, tranexamic acid, and vitamin C, so it also helps specifically with acne marks.”
Mentioned
