Index / Haruharu Wonder / Centella 4% Tranexamic Acid Dark Spot Go Away Serum
Haruharu Wonder

Haruharu Wonder Centella 4% Tranexamic Acid Dark Spot Go Away Serum.

About this product

A gel serum containing 4% tranexamic acid and 4% niacinamide, designed to help fade dark spots and uneven skin tone.

Full ingredients

Water, Propanediol, Niacinamide (4%), Tranexamic Acid (4%), Butylene Glycol, 1,2-Hexanediol, Pyrus Communis (Pear) Fruit Extract, Sodium Polyacryloyldimethyl Taurate, Ethylhexylglycerin, Polyglyceryl-10 Laurate, Madecassoside (30Ppm), Centella Asiatica Extract(25Ppm), Asiaticoside (20Ppm), Ascorbic Acid, Asiatic Acid(2Ppm), Madecassic Acid (2Ppm), Sodium Ascorbyl Phosphate

More from Haruharu Wonder 27 products · Guru Score 92% →

Guru Score

79%

Yay

5 experts · Moderate agreement

What the gurus are saying

Fading dark marks left behind after pimples is where this serum earns its strongest praise, and several say it brightens newer spots well. Its light gel spreads thin and suits oily or acne-prone skin, and the 4% niacinamide is noted for helping protect the skin barrier. However, one camp doubts the tranexamic acid and credits the niacinamide, while very old, stubborn marks may need something stronger.
Synthesized from 5 expert reviews · most recent take March 2025

What they liked

  • Gel texture melts in without heaviness
  • Targets dark spots multiple ways at once
  • Gentle enough to alternate with tretinoin

What they flagged

    Nothing. None of the experts who reviewed it raised a problem.

    Type

    SerumsGel

    Key actives

    Formula notes

    Fragrance-freeNo drying alcohol

    Where to buy

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    What the gurus are saying.

    Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

    All takes Yay takes Nay takes Mixed takes Hide sponsored
    ✓Yay
    "This dark spot serum has a gel formula, so if you live in a tropical country and never liked sticky products, or you have oily acne prone skin, you will love it. There is no problem adding it to your skincare routine because it is not too heavy, everybody can handle it. It has tranexamic acid and is very low irritant, and they also have a 4 percent version."
    ✓Yay
    "I really like this one. This is actually the first bottle that I've had this product, but I actually have a few more in my backstock. This one is really great for exactly what it says: dark spots and hyperpigmentation. If you do suffer with dark marks after acne or an inflammatory event on your skin, this is really the type of formula you want to look at."
    All 5 takes from Kelly Driscoll
    Fade Hyperpigmentation in 3 Steps
    "It does exactly what it promises it delivers on dark spots going away. The ingredients that they're using here include 4% niacinamide, which is a goodie for brightening. 4% here brings a lot of additional benefits to the skin. Not only does it help to brighten the skin, it helps to protect the skin barrier. It also helps to stimulate some collagen. Niacinamide is also an anti-inflammatory ingredient as well as brightening and an anti-aging ingredient. [...] They're also using 4% tranexamic acid."
    June Faves | Mizon, HaruHaru, Mediheal, e.l.f., Paula's Choice
    "I'm obsessed with this now. I was breaking out from hormones and stuff really especially around my chin and I got the pimples to go down and calm down, but I was left with a lot of dark marks around this area and this is the serum that really helped me clear that up. I love tranexamic acid, I've used it in a couple of different products before with really good results. This is an ingredient that really just works super well for my skin, and trying out this serum was the perfect time."
    11/10 ⭐ Skincare Empties I Recommend!
    "I really like this one. This is actually the first bottle that I've had this product, but I actually have a few more in my backstock. This one is really great for exactly what it says: dark spots and hyperpigmentation. If you do suffer with dark marks after acne or an inflammatory event on your skin, this is really the type of formula you want to look at."
    I'm Breaking Out! Routine for Breakouts and Hyperpigmentation
    "I was actually really surprised at how fast it started to brighten my skin. I've been slotting it into my nighttime routines when I'm not using tretinoin, so I use this on the other nights. You could use it in the morning, and you could certainly use it every day morning and night if you want to. It has this gel texture that's hydrating but spreads out a lot thinner than it first looks and just melts into the skin really nicely."
    My Haruharu Top 5 Faves!
    "I've been raving about this since the spring because this has been really great for helping to brighten hyperpigmentation on my face, [...] especially those dark marks that happen after a pimple. [...] They're not just focusing on the tranexamic acid, they're using 4% here, which is a good amount, and I have found really good success with this particular brightening ingredient especially for the dark marks."
    ✓Yay
    "I got this in one of the Korean Advent calendars and in contrast to that one this is more of a [...] clear colorless gel it has a little bit of a grip to it, it's a little thicker than that other one. I don't know off the top of my head if and what percentage niacinamide this has, I'm almost certain it does, but I look forward to using this. It's also got compounds from centella."
    All 2 takes from Dr Dray
    Skincare We Need To Discuss (Haruharu, Tirtir, Tocobo, E.l.f.) | January 2025
    "No problem with the Haruharu Wonder Dark Spot Go Away Serum. [...] If you've got post acne marks, dark marks, red marks and you want something to soothe, to gently hydrate, to help potentially support the needs of improving those, this might be something you might want to consider. But as it stands now with my skin, it's not something that I feel I need in my routine."
    Is Tiktok Getting Banned Today? | Vlog
    "I got this in one of the Korean Advent calendars and in contrast to that one this is more of a [...] clear colorless gel it has a little bit of a grip to it, it's a little thicker than that other one. I don't know off the top of my head if and what percentage niacinamide this has, I'm almost certain it does, but I look forward to using this. It's also got compounds from centella."
    ✓Mixed
    "This claims to help treat dark spots with 4% niacinamide and 4% tranexamic acid. The niacinamide is a great ingredient and does help even skin tone, but I've since learned that skincare researchers actually studied tranexamic acid, found it did not work, and weren't able to publish those findings because of who funded the research, [...] which is why I'm changing my opinion on the ingredient. I still do think this is a nice product, just a nice niacinamide product."
    All 3 takes from AliceintheRabbitHole
    BEST & WORST of Haruharu Wonder! (with important updates to the science...)
    "This claims to help treat dark spots with 4% niacinamide and 4% tranexamic acid. The niacinamide is a great ingredient and does help even skin tone, but I've since learned that skincare researchers actually studied tranexamic acid, found it did not work, and weren't able to publish those findings because of who funded the research, [...] which is why I'm changing my opinion on the ingredient. I still do think this is a nice product, just a nice niacinamide product."
    Trying on Your KBeauty Recs: Aestura (oh NO), Haruharu TXA, & More!
    "It has brightening tranexamic acid and niacinamide at disclosed percentages, both at 4%, which are effective levels, and I love that the percentages are disclosed. It also lists ascorbic acid and sodium ascorbyl phosphate, which are forms of vitamin C, [...] but those don't seem to be disclosed at the studied levels based on where they sit in the ingredients list. [...] Niacinamide and tranexamic acid alone could still be effective."
    Skincare EMPTIES! Is Convenience Worth it? (May 2024)
    "I've been trying the Haruharu Wonder tranexamic acid serum, it [...] worked on my past breakout spots. It comes down to there being a more convenient but pricier way to do things, [...] and a less convenient way that takes more steps, but I truly think both work."
    ✓Yay
    "I do believe it helps brighten up my skin, helps with melasma and hyperpigmentation in my opinion. This helps with newer dark spots better. A lot of stubborn old dark spots need something much stronger sometimes and sometimes with higher percentages and more frequency, so I think this helps for newer hyperpigmentation. For super old hyperpigmentation I think there's probably going to be other products that are a little bit better, but there's nothing wrong with trying this out."

    What the evidence says.

    Independent of what the gurus think, this is what the published research supports about the main active ingredients here.

    Vitamin C

    Topical vitamin C is an antioxidant with reasonable evidence for dullness and uneven tone. It breaks down in light and air, so how a product is formulated and packaged matters as much as the percentage on the front.

    Source: DermNet

    Niacinamide

    Niacinamide has evidence behind it for redness, uneven tone and supporting the skin barrier, and it is usually well tolerated even by skin that reacts to most things.

    Source: DermNet

    Tranexamic acid

    Tranexamic acid has a growing body of clinical evidence for melasma and the stubborn patches of pigment that other ingredients struggle with.

    Source: DermNet

    Frequently asked.

    What is Haruharu Wonder Centella 4% Tranexamic Acid Dark Spot Go Away Serum?

    A gel serum containing 4% tranexamic acid and 4% niacinamide, designed to help fade dark spots and uneven skin tone.

    Is Haruharu Wonder Centella 4% Tranexamic Acid Dark Spot Go Away Serum worth it?

    Mostly yes. 4 of the 5 gurus who reviewed it give it their stamp of approval, for a Guru Score of 79%.

    What is Haruharu Wonder Centella 4% Tranexamic Acid Dark Spot Go Away Serum's Guru Score?

    Haruharu Wonder Centella 4% Tranexamic Acid Dark Spot Go Away Serum holds a Guru Score of 79%. That is our read on how warmly the experts talk about it, based on the verdicts of 5 expert reviewers we have collected.

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