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iS Clinical Extreme Protect SPF 30
iS Clinical

iS Clinical Extreme Protect SPF 30

SPF 30Efficacy90/100IrritancyLow·2 UV filters
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Works for

2 of 2 advertised claims delivered

Sun protection
SPF 30 · 2 UV filters
Broad spectrum
SPF 30Broad spectrumMineral + chemical filtersNo white castTinted

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Octinoxate
Zinc Oxide
FilterCoverageWhat it doesEst. amount
OctinoxateEthylhexyl MethoxycinnamateUVBOctinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating5.5%
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 colorant4.12%
Anti-aging
3 ingredients credited for this claim
Strong support
What the product description says
“Featuring micro-fine zinc oxide and microencapsulated organic active sunscreens, EXTREME PROTECT SPF 30 offers advanced sun protection.”
Source: Shoprescuespa

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

These ingredients in the product might also be helpful for reducing and preventing fine lines, wrinkles, and skin elasticity, even though there is no conclusive evidence for their effectiveness: asiaticoside.

AsiaticosideKey activeEffect: MediumAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (madecasosside, asiatic acid and madecassic acid), asiaticoside has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating~0.7–1.05%
TocopherolEffect: LowPure 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~5.9–7.2%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~1–1.3%
Anti-oxidation
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

This product contains antioxidants (asiaticoside, tocopherol) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

AsiaticosideKey activeEffect: HighAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (madecasosside, asiatic acid and madecassic acid), asiaticoside has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating~0.7–1.05%
TocopherolKey activeEffect: HighPure 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~5.9–7.2%
Olea europaea leaf extractEffect: LowA plant extract that might have some anti-oxidant and anti-inflammatory properties but evidence for effectiveness in skin is missing~1.4–1.8%
Evens skin tone
Not advertised by the brand · 1 ingredient credited for this claim
Strong support

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

Ethyl linoleateEffect: LowHelps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking~0.55–0.85%
Moisturizing
Not advertised by the brand · 13 ingredients credited for this claim
Good support

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: ethyl linoleate, octyldodecyl neopentanoate.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

Madecassic acidKey activeEffect: HighAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (asiaticoside, madecasosside and asiatic acid), madecassic acid has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating~0.65–0.95%
Asiatic acidKey activeEffect: HighAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (asiaticoside, madecasosside and madecassic acid) asiatic acid has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating~0.65–1%
AsiaticosideKey activeEffect: HighAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (madecasosside, asiatic acid and madecassic acid), asiaticoside has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating~0.7–1.05%
Octyldodecyl neopentanoateKey active· EmollientEffect: HighAn emollient that helps soften the skin. Often used to stabilize other ingredients, for example, sunscreen~0.5–0.75%
Ethyl linoleateKey active· EmollientEffect: HighHelps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking~0.55–0.85%
Ethylhexyl palmitateKey active· EmollientEffect: MediumAn emollient that helps soften the skin and create a nice product texture~5–6.1%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~3.2–3.9%
TocopherolEffect: LowPure 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~5.9–7.2%
C13-14 isoparaffin· EmollientEffect: LowHelps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency~0.25–0.5%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.3–0.55%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.5–0.75%
Hydrogenated palm glycerides· EmollientEffect: LowAn emollient that softens the skin~0.7–1.05%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~1–1.3%

Can it cause trouble?

Irritancy
14 flagged ingredients
Low risk
We flag 14 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Ethylhexyl methoxycinnamateOctinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritatingHigh5.5%
Oleyl alcoholUsed as a fragranceHigh~0.55–0.8%est.
PolyacrylamideUsed to improve product texture and help oil and water mix togetherMedium~8.5–10.3%est.
Ppg-3 myristyl etherUsed to dissolve other ingredientsMedium~4.1–5%est.
Olea europaea leaf extractA plant extract that might have some anti-oxidant and anti-inflammatory properties but evidence for effectiveness in skin is missingMedium~1.4–1.8%est.
Aloe barbadensis leaf juiceTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~1–1.3%est.
AsiaticosideAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (madecasosside, asiatic acid and madecassic acid), asiaticoside has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritatingMedium~0.7–1.05%est.
Asiatic acidAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (asiaticoside, madecasosside and madecassic acid) asiatic acid has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritatingMedium~0.65–1%est.
Madecassic acidAn active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (asiaticoside, madecasosside and asiatic acid), madecassic acid has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritatingMedium~0.65–0.95%est.
Potassium cetyl phosphateHelps oil and water mix togetherMedium~0.7–1.05%est.
Ethyl linoleateHelps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lackingMedium~0.55–0.85%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.3–0.55%est.
Hexylene glycolHelps create a more spreadable product textureMedium~0.2–0.4%est.
Laureth-7Helps oil and water mix togetherMedium~0.15–0.25%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Ethylhexyl palmitateAn emollient that helps soften the skin and create a nice product texture3/5~5–6.1%est.
Oleyl alcoholUsed as a fragrance3/5~0.55–0.8%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Ethylhexyl methoxycinnamate5.5%
UV filterKey activeIrritant · high
Irritation risk
High
Works for
Sun protection

Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating

More about Ethylhexyl methoxycinnamate
Zinc oxide4.12%
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
Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Polyacrylamide~8.5–10.3%
Irritant · medium
Irritation risk
Medium

Used to improve product texture and help oil and water mix together

More about Polyacrylamide
Tocopherol~5.9–7.2%
Key active
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-agingAnti-inflammatory

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
Ethylhexyl palmitate~5–6.1%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

An emollient that helps soften the skin and create a nice product texture

More about Ethylhexyl palmitate
Ppg-3 myristyl ether~4.1–5%
Irritant · medium
Irritation risk
Medium

Used to dissolve other ingredients

More about Ppg-3 myristyl ether
Cetyl alcohol~3.2–3.9%
Key active
Irritation risk
Low
Works for
CleansingMoisturizing

A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together

More about Cetyl alcohol
Glycol stearate se~2.5–3.1%
Formula
Irritation risk
Low
Works for
Cleansing
More about Glycol stearate se
Vp/hexadecene copolymer~2.1–2.5%
Formula
Irritation risk
Low

Creates a nice product texture and can support water-resistance of sunscreens

More about Vp/hexadecene copolymer
Olea europaea leaf extract~1.4–1.8%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that might have some anti-oxidant and anti-inflammatory properties but evidence for effectiveness in skin is missing

More about Olea europaea leaf extract
Aloe barbadensis leaf juice~1–1.3%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatoryReduces irritationAntibacterialReduces rednessAnti-blemishAnti-aging

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf juice
Asiaticoside~0.7–1.05%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidationReduces irritationAnti-aging

An active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (madecasosside, asiatic acid and madecassic acid), asiaticoside has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating

More about Asiaticoside
Asiatic acid~0.65–1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-inflammatoryMoisturizingReduces irritation

An active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (asiaticoside, madecasosside and madecassic acid) asiatic acid has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating

More about Asiatic acid
Madecassic acid~0.65–0.95%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingReduces irritation

An active compound of Centella Asiatica plant extract. In combination with other active compounds of Centella Asiatica extract (asiaticoside, madecasosside and asiatic acid), madecassic acid has been shown to be helpful in wound-healing, restoring skin barrier function and supporting collagen production in skin. It can, however, itself be irritating

More about Madecassic acid
Potassium cetyl phosphate~0.7–1.05%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Potassium cetyl phosphate
Hydrogenated palm glycerides~0.7–1.05%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin

More about Hydrogenated palm glycerides
Ethyl linoleate~0.55–0.85%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-blemishMoisturizingAnti-inflammatoryEvens skin tone

Helps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking

More about Ethyl linoleate
Oleyl alcohol~0.55–0.8%
Comedogenic 3/5Irritant · high
Irritation risk
High
Comedogenicity
3/5

Used as a fragrance

More about Oleyl alcohol
Glyceryl stearate~0.5–0.75%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

More about Glyceryl stearate
Octyldodecyl neopentanoate~0.5–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

An emollient that helps soften the skin. Often used to stabilize other ingredients, for example, sunscreen

More about Octyldodecyl neopentanoate
Caprylyl glycol~0.3–0.55%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Hexylene glycol~0.2–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps create a more spreadable product texture

More about Hexylene glycol
Peg-100 stearate~0.35–0.65%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix togehter and creates a nice product texture

More about Peg-100 stearate
C13-14 isoparaffin~0.25–0.5%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency

More about C13-14 isoparaffin
Laureth-7~0.15–0.25%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Laureth-7
Phenoxyethanol~0.2–0.35%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Ingredient list view

Ethylhexyl methoxycinnamate, Zinc oxide, Water, Polyacrylamide, Tocopherol, Ethylhexyl palmitate, Ppg-3 myristyl ether, Cetyl alcohol, Glycol stearate se, Vp/hexadecene copolymer, Olea europaea leaf extract, Aloe barbadensis leaf juice, Asiaticoside, Asiatic acid, Madecassic acid, Potassium cetyl phosphate, Hydrogenated palm glycerides, Ethyl linoleate, Oleyl alcohol, Glyceryl stearate, Octyldodecyl neopentanoate, Caprylyl glycol, Hexylene glycol, Peg-100 stearate, C13-14 isoparaffin, Laureth-7, Phenoxyethanol

Compare prices

Retailers ranked by price — lowest first.

Shoprescuespa
$45.00
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Bluemercury
$86.00
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Amazon USPrice as of 10/12/2026 12:36 GMT
$86.00
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Affiliate links · prices updated regularly · As an Amazon Associate, WIMJ earns from qualifying purchases.

Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
iS ClinicalExtreme Protect SPF 30YOUR PRODUCTBiodermaCicabio repairing cream SPF50+SCINICEnjoy Safety Mild Sun Cream
Match—54%54%
Price$45.00$9.92−$35.08$14.90−$30.10
Shared key ingredients—4 of 85 of 8
Key difference—Acetyl Dipeptide-1 Cetyl EsterPanthenol
Irritancy Low Low Low
SPFSPF 30SPF 50SPF 50
Drying alcohol———
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Product summary

The ingredient list suggests that "iS Clinical - Extreme Protect SPF 30" can provide reliable sun protection. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).

It contains good moisturizing ingredients and can double as a hydrating day cream. This product prevents early signs of aging by protecting against sun damage (all broad spectrum sunscreens do that).

Sunscreen filters

This sunscreen uses a mixture of both mineral and organic (so-called "chemical") UV filters. Here are the organic filters this product uses: octinoxate. As for the mineral filters, this sunscreen uses zinc oxide.

Irritation risk

This moisturizer contains some common irritants, including those without a benefit for the skin. We assess the overall irritancy of this moisturizer 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.

Price

The product retails from 45.00$ up to 86.00$ in the United States.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 17 studies and safety reviews.

  1. 1
    A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
  2. 2
    Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
  3. 3
    Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
  4. 4
    Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorodsiopscience.iop.org
  5. 5
    ZnO nanoparticles and organic chemical UV-filters are equally well tolerated by human immune cellsncbi.nlm.nih.gov
  6. 6
    Vitamin E in dermatologyncbi.nlm.nih.gov
iS Clinical Extreme Protect SPF 30
iS ClinicalExtreme Protect SPF 30
Buy at Bluemercury$86.00$86.00as of 10/12 12:36 GMT

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

Buy at Bluemercury$86.00$86.00as of 10/12 12:36 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.