Versus

Haruharu Wonder Centella 4% TXA Dark Spot Go Away Serum Versus Cos De BAHA Tranexamic Acid 5% Serum with Niacinamide 5%

Serum
Serum
Korean Brand South Korea
Korean Brand South Korea

Updated on March 31, 2025

Overview

What they are

These products are both vegan, cruelty-free, and reef safe serums. They have a total of 4 ingredients in common

Cool Features

They both contain niacinamide

Suited For

They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots

Free From

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

Ingredient Info

Click any item below to learn more and see relevant ingredients

About this product

About this product

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Key Ingredients

Benefits

Ingredients Side-by-side

found in both products

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Solvent

Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin. 

It’s often used to:

Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.

Learn more about Propanediol
Smoothing

Niacinamide has emerged as an all-star ingredient due to its many benefits.

It is known to treat acne by reducing inflammation. It also helps fade dark-spots and strengthen the skin by promoting the growth of the ceramide barrier.

Other benefits include smoothing wrinkles and minimizing redness.

The cherry on top? Niacinamide can also help build keratin, a protein that keeps skin firm.

When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.

Niacinamide can be mixed with other ingredients to boost benefits. For instance, it has shown to be effective when used with copper, folic acid, and zinc to treat acne.

Learn more about Niacinamide
Astringent, Skin Conditioning

Tranexamic Acid is best used for treating hyperpigmentation, discoloration, and melasma. It can also help build a stronger skin barrier.

Once applied, Tranexamic Acid starts decreasing inflammation from UV exposure. Tranexamic Acid also prevents our skin cells from meeting the pigment production cells.

Its brightening property makes it great at reducing the appearance of acne scars and marks.

Fun fact: Tranexamic Acid is also a medication used to reduce heavy bleeding.

This acid is derived from lysine, an amino acid.

Learn more about Tranexamic Acid
Skin Conditioning, Solvent

1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. 

It is a:

  • Humectant, drawing moisture into the skin
  • Emollient, helping to soften skin
  • Solvent, dispersing and stabilizing formulas
  • Preservative booster, enhancing the antimicrobial activity of other preservatives 

When to use

417 Routines
57% use in am
43% use in pm
89% use every day
When to use See routines that use it ->
496 Routines
44% use in am
56% use in pm
89% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

Haruharu Wonder Centella 4% TXA Dark Spot Go Away Serum 17 ingredients

3.4 /5
from 7 ratings
Absorbs Well (5) Light (4) No Scent (4)
exotic1x's avatar

Exotic1x

8 months ago
Review

When I first used this product I didn’t think it was doing anything but I continued to use it because it didn’t break me out. about 3-4 weeks later i’m looking back at old picture of my skin and it really does make a difference with dark spots. I was and currently using panoxyl 4% so maybe that played somewhat of a part but I do recommend this product for acne scars, dark spots but i didn’t find Show more

#great value
#light
#absorbs well
#no scent
sseulrne's avatar

🍵

6 months ago
Review

It’s been 3-4 months already since I started using this and it’s a great product. It’s lightweight, it didn’t irritate my skin at all and I also noticed that my skin really got brighter over time. However, it did little to nothing to fade my hyperpigmentation :( I’m guessing that my case is just really stubborn

#light
#absorbs well
#no scent

Cos De BAHA Tranexamic Acid 5% Serum with Niacinamide 5% 15 ingredients

3.5 /5
from 13 ratings
Sticky (7) No Scent (5) Great Value (5)
Alodia's avatar

Alodia

7 months ago
Review

Did a patch test on my arm to see if it works for hyperpigmentation - tried for 3 days (once a day) and my arm had small pimples/ irritation bumps! I never have breakouts on my body.
Don’t know if the concentrations are too potent (even for the body) or the formulation is just bad.

#broke me out
#irritating
#sticky
#no scent
Ariiii444's avatar

Ariiii444

10 months ago
Review

I think this is one of the best serums for hyperpigmentation IF you are a BEGINNER (keep that in mind), I have sensitive skin and I find it very soothing but didn’t see much results.
Also this serum is quite sticky so I recommend you that after you apply it on your face, leave it for 10-15 minutes so your skin can fully absorb the product. Then you can use other products as you wish. Hope it Show more

#hydrating
#sticky
#no scent