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The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% Versus COSRX AHA 7 Whitehead Power Liquid

Serum
Essence
Canadian Brand Canada
Korean Brand South Korea

Updated on March 27, 2024

Overview

What they are

These products are both vegan, cruelty-free, fungal acne (malassezia) safe, and reef safe . They have a total of 0 ingredients in common

Suited For

They're both likely to be good for anti aging, brightening skin, 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

At a glance

Click on any of the items below to learn more

Notable Ingredients

Benefits

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Ascorbic Acid 8% + Alpha Arbutin 2%
Propanediol Solvent

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

Ascorbic Acid Antioxidant, Buffering, Masking
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin Icon
Vitamin CVitamin C Icon AntioxidantAntioxidant Icon 6 Benefits

Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.

Alpha-Arbutin Antioxidant, Bleaching, Skin Conditioning
Antioxidant IconGood for Dark Spots IconGood for Scar Healing Icon
AntioxidantAntioxidant Icon 2 Benefits

Alpha-Arbutin is made from hydroquinone and glucose. It may also be derived from the fermentation of soybeans.

AHA 7 Whitehead Power Liquid
Pyrus Malus Fruit Water Masking

Pyrus Malus Fruit Water is created by distilling parts of the apple.

Butylene Glycol Humectant, Masking, Skin Conditioning
1 / 0

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

1 Com. / 0 Irr.
Glycolic Acid Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Rosacea Icon
AHAAHA Icon 7 Benefits 2 Concerns

Glycolic Acid is arguably the most famous AHA with a ton of research to back up its benefits.

Niacinamide Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconGood for Minimizing Pores IconGood for Dark Spots IconHelps fight Acne IconHelps brighten skin Icon
NiacinamideNiacinamide Icon 6 Benefits

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

Sodium Hydroxide Buffering

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

1,2-Hexanediol Skin Conditioning, Solvent

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

Panthenol Skin Conditioning
0 / 0 Helps reduce irritation Icon
Helps reduce irritationHelps reduce irritation Icon

Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.

0 Com. / 0 Irr.
Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Xanthan Gum Emulsifying, Emulsion Stabilising, Gel Forming

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Disliked Full details ->
Ethyl Hexanediol Solvent

Ethyl Hexanediol is an aliphatic alcohol. It is a solvent.

Ingredient Ratings

Here's what our community thinks of the ingredients in these products.

Ascorbic Acid 8% + Alpha Arbutin 2%
3
liked
mixed
disliked
not rated
AHA 7 Whitehead Power Liquid
5
4
1
liked
mixed
disliked
not rated

When to use

494 Routines
69% use in am
31% use in pm
91% use every day
When to use See routines that use it ->
463 Routines
22% use in am
78% use in pm
57% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% 3 ingredients

3.4 /5
from 5 ratings
Clover's avatar

Clover

1 year ago · Dry Skin
Review

I'm orange...
When I first started using this I was like, “great, a vitamin C that doesn’t burn”. So I began using it frequently. Slowly, I noticed...

I'm orange...
When I first started using this I was like, “great, a vitamin C that doesn’t burn”. So I began using it frequently. Slowly, I noticed my skin was turning orange, but just on my face. Turns out this product was oxidizing ON MY SKIN. The serum itself was still pretty clear, so I wasn’t applying an old or bad product, but when exposed to oxygen while on my face it began to STAIN it as if I had applied self tanner only to my face.
Now to be fair— I am fair. As in I am very very pale. Honestly even if this product was oxidizing on other people I don’t think the majority of skin tones would even notice it. But if you are like me just be warned! Vitamin C can stain your skin and it’ll take like a week for the effects to go away.

Let’s just say I’ve given up on finding a vitamin C serum and I’ll be sticking to other brightening ingredients.

mickey_432's avatar

mickey_432

1 year ago · Normal Skin
Review

Reaction
My face has never been redder and hurt more in my life...

COSRX AHA 7 Whitehead Power Liquid 10 ingredients

3.7 /5
from 7 ratings
Absorbs Well (3) Works Well (2) Irritating (2)
Zienn's avatar

Zienn

4 months ago · Oily Skin
Review

oily skin nothing change or happend when use
not working at all. but kinda clean my dead skin off.

SpaceyTrxsh's avatar

SpaceyTrxsh

7 months ago · Oily Skin
Review

Seeing forever to see results