Versus

Haruharu Wonder Centella 4% TXA Dark Spot Go Away Serum Versus Cos De BAHA Vitamin C Facial Serum With MSM

Serum
Serum
Korean Brand South Korea
Korean Brand South Korea

Updated on March 31, 2025

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 3 ingredients in common

Cool Features

They both contain Vitamin C

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, dark spots and better texture

Free From

They both do not contain any harsh alcohols, common allergens, fragrances, 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

What's inside (and what isn't)

What's inside (and what isn't)

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
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 

Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.

This ingredient is more gentle than ascorbic acid. It is also more stable when exposed to light and oxygen.

Vitamin C helps reduce redness, improve skin texture, reduce the effects of aging, reduce the visibility of dark spots, and brighten skin.

Your skin uses Vitamin C to produce collagen and collagen production plays a role in having a strong skin barrier and plump skin. As an antioxidant, this ingredient also helps reduce the signs of aging such as fine-lines and wrinkles.

VItamin C helps brighten skin by blocking the process of skin darkening.

In a 2011 study, Sodium Ascorbyl Phosphate was found to have antibacterial properties. This may help treat acne.

Read more about other types of Vitamin C:

Learn more about Sodium Ascorbyl Phosphate

When to use

428 Routines
57% use in am
43% use in pm
89% use every day
When to use See routines that use it ->
100 Routines
81% use in am
19% use in pm
96% 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

3.6 /5
from 8 ratings
Light (5) Absorbs Well (5) No Scent (4)
exotic1x's avatar

Exotic1x

9 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

🍵

7 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 Vitamin C Facial Serum With MSM 20 ingredients

5.0 /5
from 1 rating
Absorbs Well (1) Great Value (1) Hydrating (1)
violetohl's avatar

Violet Ohl

3 months ago
Review

A super affordable, super hydrating, multi-purpose serum. Since this uses a derivative of Vitamin C it is gentler, more stable, and not as acidic as the pure form. The vitamin E also helps to boost absorption.

I have combination, Rosacea sensitive, and acne prone skin. This has caused zero irritation, redness, or acne for me.

Have been using this daily for about a month and I find myself Show more

#great value
#hydrating
#absorbs well
#no scent