Explore Routine Login

Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of The INKEY List C-50 Blemish Night Treatment versus The INKEY List Succinic Acid Acne Treatment .

Published on February 27, 2021

Overview

What they are

These products are both vegan, cruelty-free, and reef safe facial treatments. They have a total of 12 ingredients in common

Cool Features

They both contain hyaluronic acid

Suited For

They're both likely to be good for dry skin and brightening skin

Free From

They both do not contain any parabens, silicones or sulfates

What's Inside

They both contain harsh alcohols, common allergens and fragrances

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

Facial Treatment British Brand United Kingdom
Facial Treatment British Brand United Kingdom

Facial Treatment

Facial treatments are specially designed to treat a skin concern. Acne treatments and anti-aging products are common examples of facial treatments.

Facial Treatment

Facial treatments are specially designed to treat a skin concern. Acne treatments and anti-aging products are common examples of facial treatments.

Price

Shop

Buy C-50 Blemish Night Treatment

Starts at $17.00
Shop

Buy Succinic Acid Acne Treatment

Starts at $9.99

Ingredient Info

Click any item below to learn more and view relevant ingredients.
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free

At a glance

Click on any of the items below to learn more

Benefits

Hydrating (6)
Redness Reducing (3)
Reduces Irritation (2)
Anti-Aging (2)
Brightening

Concerns

Drying
May Worsen Oily Skin
Irritating
Rosacea
Eczema

Notable Ingredients

BHA
Hyaluronic Acid

Benefits

Hydrating (2)
Good For Oily Skin
Reduces Large Pores
Scar Healing
Acne Fighting
Brightening (2)

Concerns

Drying (2)
May Worsen Oily Skin (3)
Acne Trigger (2)
Irritating (2)
Rosacea (2)
Eczema (2)
Join our community

Build your routine, track which ingredients work for you, and much more with your free account.

Join SkinSort

Ingredients Compared

Ingredients that are highlighted in purple are present in both products.

Water • Butylene Glycol • Glycerin • Sodium Hyaluronate • Simmondsia Chinensis Seed Oil • Carbomer • Phenoxyethanol • Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer • Benzyl Alcohol • Squalane • Sodium Lauroyl Lactylate • Sodium PCA • Sodium Hydroxide • Sodium Stearoyl Glutamate • Sodium Lactate • Arginine • Aspartic Acid • Ethylhexylglycerin • Sodium Gluconate • PCA • Polysorbate 60 • Dehydroacetic Acid • Ceramide NP • Glycine • Alanine • Sorbitan Isostearate • Ceramide AP • Phytosphingosine • Serine • Cholesterol • Valine • Xanthan Gum • Isoleucine • Proline • Threonine • Histidine • Phenylalanine • Ceramide EOP

Ingredients Side-by-side

Ingredients that are highlighted in purple are present in both products.

Learn more about what what Com. / Irr. ratings are

Loading ingredients...

Ingredients Explained

These ingredients are found in both products.

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

1
What it does: Skin Conditioning, Solvent
Community Rating: Loved

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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 1.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 1.

2
What it does: Humectant, Skin Conditioning, Skin Protecting, Solvent
Community Rating: Loved

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 3.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 7.

3
What it does: Humectant, Skin Conditioning
Community Rating: Loved

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

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 4.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 14.

4
What it does: Preservative
Community Rating: Very Disliked

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 7.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 11.

5
What it does: Emulsion Stabilising
Community Rating: Disliked

This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.

It is also an emulsifer, meaning it prevents ingredients such as oil and water from separating. It also helps evenly disperse other ingredients.

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 8.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 9.

6
What it does: Perfuming, Preservative, Solvent
Community Rating: Very Disliked

Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.

Benzyl Alcohol has both antibacterial and antioxidant properties. These properties help lengthen the shelf life of products. Benzyl Alcohol is a solvent and helps dissolve other ingredients. It can also improve the texture and spreadability.

Alcohol comes in many different forms. Different types of alcohol will have different effects on skin. This ingredient is an astringent alcohol.

Using high concentrations of these alcohols are drying on the skin. They may strip away your skin's natural oils and even damage your skin barrier. Astringent alcohols may also irritate skin.

Other types of astringent alcohols include:

According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients.

Any type of sanitizing product will have high amounts of alcohol to help kill bacteria and viruses.

Learn more about Benzyl Alcohol

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 9.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 13.

7
What it does: Emollient, Skin Conditioning
Community Rating: Loved

Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.

Because squalane boosts hydration in the skin, it also comes with plenty of benefits: it is an antioxidant and can help fight free radicals and skin damage. Squalane is also found to have a detoxifying effect when applied.

Squalane comes from squalene, which occurs naturally within the sebum of our skin. It is one of the oils our skin produces to keep itself hydrated. Squalane is the hydrogenated version of squalene and has a longer shelf life.

Research shows that squalane is non-irritating (even at 100% concentration).

In general, it's a fantastic ingredient. It does a great job at hydrating the skin, and it's suitable for those with sensitive skin.

The source of squalane may impact malassezia / fungal acne. This is because olive oil derived squalane can contain impurities such as fatty acids and plant waxes. Sugarcane derived squalane is recommended for anyone with malassezia concerns.

Is squalane vegan? This depends on the source. Squalane can be derived from both plants and animals. Most squalane used in skincare comes from plants.

Please note: the source of squalane is only known if disclosed by the brand. We recommend reaching out to the brand if you have any questions about their squalane.

Read more about squalene with an "e".

Learn more about Squalane

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 10.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 12.

8
What it does: Buffering
Community Rating: Mixed

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.

In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.

Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.

"Alkaline" refers to a high pH level. A low pH level would be considered acidic.

Learn more about Sodium Hydroxide

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 13.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 17.

9
What it does: Skin Conditioning
Community Rating: Mixed

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 18.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 16.

10
What it does: Emulsifying
Community Rating: Very Disliked

Polysorbate 60 is used to help stabilize products. It is a surfactant and emulsifier. These properties help keep ingredients together in a product. Surfactants help reduce surface tension between ingredients with different states, such as liquids and solids. Emulsifiers help prevent oils and waters from separating.

Polysorbate 60 is sorbitol-based and created from the ethoxylation of sorbitan. Ethoxylation is a chemical reaction used to add ethylene oxide. Sorbitan is a the dehydrated version of sorbitol, a sugar found in fruits.

In this case, the 60 comes from reacting 60 units of ethylene oxide with sorbitan.

Polysorbates are commonly used in medicine and foods.

Learn more about Polysorbate 60

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 21.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 15.

11
What it does: Preservative
Community Rating: Loved

Dehydroacetic Acid is fungicide and bactericide. It is used as a preservative in cosmetics. Preservatives help elongate the shelf life of a product.

Dehydroacetic Acid is not soluble in water.

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 22.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 18.

12
What it does: Emulsifying
Community Rating: Very Disliked

Sorbitan Isostearate is an emulsifer and cleaning agent. It is created from isostearic acid and sorbitol.

As an emulsifier, Sorbitan Isostearate prevents oils and water from separating.

Due to its isostearic acid base, it may not be safe for Malassezia or fungal acne.

Learn more about Sorbitan Isostearate

The INKEY List C-50 Blemish Night Treatment contains this as ingredient number 26.

The INKEY List Succinic Acid Acne Treatment contains this as ingredient number 20.

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

63% are loved or liked
16% have mixed ratings
18% are disliked or very disliked
3% have no rating yet
41% are loved or liked
14% have mixed ratings
41% are disliked or very disliked
5% have no rating yet

Usage

Here's some more info on how this product is used by our community.

When to use

Loading routine usage...
Loading routine usage...

Reviews

Here's what our community thinks

The INKEY List C-50 Blemish Night Treatment 38 ingredients

3.0 /5
from 1 rating
Light (1) Light Scent (1)
Nastia's avatar

Nastia

1 month ago · Combination Skin
Review

It is okay, but doesnt do much

The INKEY List Succinic Acid Acne Treatment 22 ingredients

4.3 /5
from 6 ratings
Daisyfrd's avatar

Daisyfrd

9 months ago · Oily Skin
Review

The only product that has made a significant difference within 24 hours, decreases redness and texture quickly

Alternatives

Our Dupe Finder has found 29 potential alternatives that have similar ingredients to The INKEY List C-50 Blemish Night Treatment.

See 29 alternatives

Our Dupe Finder has found 21 potential alternatives that have similar ingredients to The INKEY List Succinic Acid Acne Treatment.

See 21 alternatives
Loading similar comparisons...