Versus

Haruharu Wonder Centella 3% PHA Gentle Liquid Exfoliating Serum Versus Paula's Choice Skin Perfecting 6% Mandelic Acid + 2% Lactic Acid Liquid Exfoliant

Exfoliator
Exfoliator
Korean Brand South Korea
American Brand United States

Updated on March 31, 2025

Overview

What they are

These products are both cruelty-free and reef safe exfoliators. They have a total of 6 ingredients in common

Suited For

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing 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

Concerns

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.

Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
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 
Masking, Skin Conditioning

Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.

As a cosmetic ingredient, Arginine has antioxidant properties and can also help repair damaged skin. This ingredient is derived either synthetically or from animals.

Arginine isn't fungal acne safe when used in the presence of other lipids (fats, fatty acids, oils, esters, etc). Oils and fats occur naturally within the skin, so take caution when using Arginine if you're prone to fungal acne.

Learn more about Arginine
Skin Conditioning, Solvent

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.

This property also makes Pentylene Glycol a great texture enhancer. It can also help thicken or stabilize a product.

Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.

Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.

Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.

Learn more about Pentylene Glycol
Emollient, Humectant, Skin Conditioning

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.

Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.

This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.

Learn more about Caprylyl Glycol
Humectant, Masking, Skin Conditioning

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Learn more about Butylene Glycol

When to use

55 Routines
31% use in am
69% use in pm
64% use every day
When to use See routines that use it ->
254 Routines
26% use in am
74% use in pm
55% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

Haruharu Wonder Centella 3% PHA Gentle Liquid Exfoliating Serum 21 ingredients

5.0 /5
from 1 rating
Hydrating (1) Works Well (1)
AnaG's avatar

AnaG

1 year ago
Review

Love it. It doesn't sting or irritates my skin. I can use it almost every day (depends on how my skin feels) without fear of breaking my skin barrier.

#hydrating
#works well

Paula's Choice Skin Perfecting 6% Mandelic Acid + 2% Lactic Acid Liquid Exfoliant 23 ingredients

3.5 /5
from 2 ratings
Absorbs Well (1) Doesn't Work (1) Expensive (1)
laharinandipati's avatar

lahari nandipati

5 months ago
Review

Best AHA FOR SENSITIVE SKIN. Cleared up my skin and didn't effect my barrier.

#light
#absorbs well
#strong scent
BaiFengxi's avatar

BaiFengxi

17 days ago
Review

I wanted to try to this to see if it would help with some whiteheads around my chin and jawline. I didn't want to try anything too harsh and I heard this was pretty mild for someone who hasn't tried any acids before. First of all, it is pretty pricey. It was $15 for a mini sample size bottle. I finished that and the slightly taller, skinny $35 bottle. It is mild and didn't give me any adverse Show more

#expensive
#light scent
#doesn't work