Kose

Kose X-Barrier Protect Repair Face Oil No Color SPF 50+ PA++++

Name: Kose - X-Barrier Protect Repair Face Oil No Color SPF 50+ PA++++
Brand: Kose

SPF 50Efficacy60/100IrritancyLow·1 UV filter

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Works for

1 of 2 advertised claims delivered

Sun protection

SPF 50 · 1 UV filter · Broad spectrum

Weak protectionLow filter dose

SPF 50Broad spectrumMineral filtersNo white cast

This product uses a single UV filter (zinc oxide) in a relatively low concentration and might not be able to provide a reliable sun protection.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum

UVB290–320 nmUVA II320–340 nmUVA I340–400 nm

Zinc Oxide

FilterCoverageWhat it doesEst. amount

Zinc Oxide Mineral UVBUVA Photo-stable A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant~5.2–7.8%

~ marks concentrations estimated from label position and typical use levels

Reef-safe

No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.

Moisturizing

Panthenol, Paraffinum liquidum + 6 more

Strong evidence

What the product description says

“X-Barrier Protect Repair Face Oil No Color SPF 50+ PA++++”

From product name

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: panthenol, butylene glycol.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: squalane.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: panthenol, paraffinum liquidum, petrolatum

SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~0.15–0.6%

PanthenolHero· HumectantEffect: HighHelps attract water to the upper layer of the skin and can help improve skin barrier function~0.35–0.85%

Paraffinum liquidumHero· Emollient, OcclusiveEffect: HighMineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function~3.8–5.8%

PetrolatumHero· Emollient, OcclusiveEffect: HighOne of the most effective and the most studied occlusive ingredients that creates a protective layer on top of the skin preventing moisture loss~5.5–8.2%

Polyglyceryl-2 triisostearateEffect: LowHelps to soften the upper layer of the skin and create a nice product texture~22–33%

Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.15–0.7%

Ascorbyl tetraisopalmitateEffect: Low, below effective doseA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~0.85–1.25%

TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.45–1.05%

Can it cause trouble?

Irritancy

2 flagged ingredients

Low risk

We flag 2 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.

IngredientFunctionIrritationEst. amount

Dextrin palmitateHelps water and oil mix togetherMedium~2.8–4.2%est.

Ascorbyl tetraisopalmitateA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)Medium~0.85–1.25%est.

Comedogenic

Clean of flagged comedogenic ingredients

None flagged

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Ingredients

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Polyglyceryl-2 triisostearate~22–33%

Formula

Irritation risk: Low

Works for

CleansingMoisturizing

Helps to soften the upper layer of the skin and create a nice product texture

More about Polyglyceryl-2 triisostearate

Petrolatum~5.5–8.2%

Hero · Moisturizing

Irritation risk: Low

Works for

Moisturizing

One of the most effective and the most studied occlusive ingredients that creates a protective layer on top of the skin preventing moisture loss

More about Petrolatum

Zinc oxide~5.2–7.8%

UV filterKey active

Irritation risk: Low

Works for

Sun protection

A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant

More about Zinc oxide

Paraffinum liquidum~3.8–5.8%

Hero · Moisturizing

Irritation risk: Low

Works for

Moisturizing

Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function

More about Paraffinum liquidum

Dextrin palmitate~2.8–4.2%

Irritant · medium

Irritation risk: Medium

Works for

Cleansing

Helps water and oil mix together

More about Dextrin palmitate

Silica~2.3–3.5%

Formula

Irritation risk: Low

Used to absorb oil and can temporarily mattify skin

More about Silica

Hydrogen dimethicone~1.9–2.8%

Formula

Irritation risk: Low

Helps the function of sunscreen and pigment ingredients in the formulation

More about Hydrogen dimethicone

Glycyrrhizic acid~1.4–2%

Formula

Irritation risk: Low

More about Glycyrrhizic acid

Pyridoxine dicaprylate~1–1.5%

Formula

Irritation risk: Low

More about Pyridoxine dicaprylate

Ascorbyl tetraisopalmitate~0.85–1.25%

Irritant · medium

Irritation risk: Medium

Works for

Anti-oxidationEvens skin toneAnti-agingMoisturizing

A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)

More about Ascorbyl tetraisopalmitate

Tocopherol~0.45–1.05%

Formula

Irritation risk: Low

Works for

Anti-oxidationAnti-inflammatoryAnti-agingMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol

Panthenol~0.35–0.85%

Hero · Moisturizing

Irritation risk: Low

Works for

Reduces rednessMoisturizingReduces irritation

Helps attract water to the upper layer of the skin and can help improve skin barrier function

More about Panthenol

Butylene glycol~0.15–0.7%

Formula

Irritation risk: Low

Works for

Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol

Dipropylene glycol~0.15–0.55%

Formula

Irritation risk: Low

Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying

More about Dipropylene glycol

Squalane~0.15–0.6%

Key active

Irritation risk: Low

Works for

Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane

Dioctyldodecyl lauroyl glutamate~0.15–0.55%

Formula

Irritation risk: Low

Works for

Cleansing

More about Dioctyldodecyl lauroyl glutamate

Water~0.05–0.2%

Formula

Irritation risk: Low

Plain old water

More about Water

Ingredient list view

Polyglyceryl-2 triisostearate, Petrolatum, Zinc oxide, Paraffinum liquidum, Dextrin palmitate, Silica, Hydrogen dimethicone, Glycyrrhizic acid, Pyridoxine dicaprylate, Ascorbyl tetraisopalmitate, Tocopherol, Panthenol, Butylene glycol, Dipropylene glycol, Squalane, Dioctyldodecyl lauroyl glutamate, Water

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Product summary

"Kose - X-Barrier Protect Repair Face Oil No Color SPF 50+ PA++++" uses a single UV filter (zinc oxide) in a relatively low concentration and might not be able to provide reliable sun protection.

It also works as a moisturizer, so you do not have to use an additional hydrating product.

Sunscreen filters

This product is a mineral sunscreen. It uses zinc oxide for sun protection. Zinc oxide almost never irritates the skin or stings eyes, but it can leave a white cast.

Irritation risk

This product does not contain known common irritants and is suitable for sensitive skin. We assess the overall irritancy of this sunscreen to be low. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.