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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of SkinCeuticals Physical Matte UV Defense SPF 50 versus Skin79 Sun Gel Waterproof SPF50+ PA++++ .

Last updated on October 21, 2023. Published on January 14, 2024

Overview

What they are

These products are both sunscreens. They have a total of 6 ingredients in common

Cool Features

They both contain exfoliants and SPF

Suited For

They're both likely to be good for anti aging

Free From

They both do not contain any common allergens, parabens or sulfates

What's Inside

They both contain oils and silicones

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

Sunscreen American Brand United States
Sunscreen South Korean Brand South Korea

Sunscreen

Sunscreens help absorb or reflect UV radiation and protect skin against skin damage. Sunscreens may come in the form of lotion, gel, foam, spray, or solid-stick.

Sunscreen

Sunscreens help absorb or reflect UV radiation and protect skin against skin damage. Sunscreens may come in the form of lotion, gel, foam, spray, or solid-stick.

Price

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
spf rating
50
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free
spf rating
50

At a glance

Click on any of the items below to learn more

Notable Ingredients

Mineral UV Filter (2)
Exfoliators (3)

Benefits

Anti-Aging
Acne Fighting

Notable Ingredients

Chemical UV Filter (4)
Vitamin E
Exfoliators

Benefits

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

Concerns

May Worsen Oily Skin (2)
Irritating (2)
Rosacea (2)
Eczema
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Ingredients Compared

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

Ingredients Side-by-side

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

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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: Emollient, Skin Conditioning, Skin Protecting
Community Rating: Very Disliked

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.

SkinCeuticals Physical Matte UV Defense SPF 50 contains this as ingredient number 3.

Skin79 Sun Gel Waterproof SPF50+ PA++++ contains this as ingredient number 28.

2
What it does: Antimicrobial, Emollient, Skin Conditioning
Community Rating: Disliked

C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.

C12-15 Alkyl Benzoate is an emollient and texture enhancer. Due to its solubility, it is often used in sunscreens to help evenly distribute active ingredients.

As an emollient, C12-15 Alkyl Benzoate helps soften and hydrate your skin. Emollients create a film on your skin that traps moisture within.

This ingredient has been reported to cause eye irritation.

Learn more about C12-15 Alkyl Benzoate

SkinCeuticals Physical Matte UV Defense SPF 50 contains this as ingredient number 4.

Skin79 Sun Gel Waterproof SPF50+ PA++++ contains this as ingredient number 34.

3
What it does: Emulsion Stabilising
Community Rating: Very Disliked

Dimethicone Crosspolymer is a silicone created by modifying dimethicone with hydrocarbon side chains. Due to its large size, it does not penetrate skin. It is considered non-occlusive.

Dimethicone Crosspolymer is used to stabilize and thicken products. It also helps give products a silky feel.

SkinCeuticals Physical Matte UV Defense SPF 50 contains this as ingredient number 9.

Skin79 Sun Gel Waterproof SPF50+ PA++++ contains this as ingredient number 7.

4
What it does: Cosmetic Colorant, Emulsion Stabilising

We don't have a description for Aluminum Stearate.

SkinCeuticals Physical Matte UV Defense SPF 50 contains this as ingredient number 13.

Skin79 Sun Gel Waterproof SPF50+ PA++++ contains this as ingredient number 39.

5
What it does: Abrasive, Absorbent
Community Rating: Very Disliked

Alumina is another name for the compound aluminum oxide. It is used as a thickener, absorbent, and abrasive.

As an absorbent, alumina can give a mattifying effect. It is used in mineral sunscreens to help coat nano-sized filters, such as titanium dioxide. By increasing the size of the UV filters, these ingredients stay on the skin for a longer time. By coating small sized ingredients, alumina helps thicken a product.

Alumina may be used as an abrasive, or exfoliant.

Alumina is naturally occurring in the mineral corundum. Certain varieties of corundum create rubies and sapphires. Corundum is also the crystalline form of alumina.

Learn more about Alumina

SkinCeuticals Physical Matte UV Defense SPF 50 contains this as ingredient number 18.

Skin79 Sun Gel Waterproof SPF50+ PA++++ contains this as ingredient number 42.

6
What it does: Emulsifying
Community Rating: Disliked

Polyhydroxystearic Acid is a soft wax made from castor oil.

It is is a texture thickener, emulsifier, and film-former. Emulsifiers prevent ingredients from separating, such as oils and waters.

Polyhydroxystearic Acid may not be fungal acne safe.

Learn more about Polyhydroxystearic Acid

SkinCeuticals Physical Matte UV Defense SPF 50 contains this as ingredient number 22.

Skin79 Sun Gel Waterproof SPF50+ PA++++ contains this as ingredient number 41.

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

14% are loved or liked
23% have mixed ratings
41% are disliked or very disliked
23% have no rating yet
23% are loved or liked
11% have mixed ratings
51% are disliked or very disliked
15% have no rating yet

Usage

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

When to use

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Alternatives

Our Dupe Finder has found 25 potential alternatives that have similar ingredients to SkinCeuticals Physical Matte UV Defense SPF 50.

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Our Dupe Finder has found 50 potential alternatives that have similar ingredients to Skin79 Sun Gel Waterproof SPF50+ PA++++.

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