Tropic Skincare GREAT BARRIER Sun Lotion - SPF 50

Tropic Skincare GREAT BARRIER Sun Lotion - SPF 50

SPF 50Efficacy90/100IrritancyMedium·5 UV filters

Works for

Sun protection
SPF 50 · 5 UV filters
Broad spectrum
SPF 50Broad spectrumChemical filters

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.

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
Uvinul T
Titanium Dioxide
Tinosorb S
Zinc Oxide
Uvinul A Plus
FilterCoverageWhat it doesEst. amount
Uvinul TEthylhexyl TriazoneUVB Photo-stable Uvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet~4–6%
Titanium Dioxide Mineral UVBUVA2 Photo-stable Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin~0.5–1.2%
Tinosorb SBis-ethylhexyloxyphenol Methoxyphenyl TriazineUVBUVA Photo-stable Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Approved by the US FDA in 2026 (listed as bemotrizinol on US labels).~3.4–5.1%
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~0.85–1.3%
Uvinul A PlusDiethylamino Hydroxybenzoyl Hexyl BenzoateUVA1 Photo-stable Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet~4.5–6.8%
~ 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.
Anti-aging
Side benefit · Aloe barbadensis leaf juice, Tocopherol
Works well

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.

Aloe barbadensis leaf juiceEffect: LowTraditionally 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~23–34%
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~0.15–0.55%
Evens skin tone
Side benefit · No ingredient credited for this claim
Works well

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).

Moisturizing
Side benefit the brand mentions · Glycerin, Cetearyl alcohol + 11 more
Works
What the product description says
“GREAT BARRIER Sun Lotion .”
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: glycerin, sodium hyaluronate.

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: cocos nucifera fruit extract, cetearyl alcohol.

GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~2–3%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~1.3–2%
Cocos nucifera fruit extractKey active· EmollientEffect: HighAn emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic~0.2–0.75%
Althaea officinalis root extractKey activeEffect: HighA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation~0.15–0.55%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.15–0.5%
Aloe barbadensis leaf juice· HumectantEffect: LowTraditionally 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~23–34%
Dibutyl adipate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~5.3–8%
Dicaprylyl carbonate· EmollientEffect: LowHelps products spread more easily and works as an emollient to soften skin~1.6–2.4%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.4–0.9%
Stearic acidEffect: Low, below effective doseHelps oil and water mix together and works as an emollient~0.3–0.75%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.15–0.65%
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~0.15–0.55%
Caprylic/capric triglycerideUnder-dosedA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~0.15–0.7%

Can it cause trouble?

Irritancy
1 strong irritant: Sodium anisate
Medium risk
We flagged 15 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Althaea officinalis root extractA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammationHigh~0.15–0.55%est.
Sodium anisateUsed as a fragranceHigh~0.15–0.5%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~23–34%est.
Diethylamino hydroxybenzoyl hexyl benzoateUvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yetMedium~4.5–6.8%est.
Ethylhexyl triazoneUvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yetMedium~4–6%est.
Bis-ethylhexyloxyphenol methoxyphenyl triazineTinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.Medium~3.4–5.1%est.
Isoamyl laurateHelps stabilize emulsions and create a nice product textureMedium~1.1–1.7%est.
Candelilla/jojoba/rice bran polyglyceryl-3 estersHelp oil and water mix togetherMedium~0.35–0.8%est.
Isoamyl cocoateHelps oil and water mix together and works as a cleansing agentMedium~0.3–0.75%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~0.3–0.7%est.
Cetearyl glucosideHelps water and oil in the product mix well together and improves product textureMedium~0.2–0.75%est.
Sodium stearoyl lactylateHelps oil and water mix togetherMedium~0.15–0.6%est.
Polyglyceryl-3 polyricinoleateHelps oil and water mix togetherMedium~0.15–0.6%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~0.15–0.7%est.
Sodium levulinateA preservativeMedium~0.15–0.6%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
Cocos nucifera fruit extractAn emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic3/5~0.2–0.75%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~1.3–2%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Aloe barbadensis leaf juice~23–34%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAntibacterialAnti-inflammatoryReduces rednessReduces irritationAnti-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
Dibutyl adipate~5.3–8%
Formula
Irritation risk
Low
Works for
Moisturizing

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

More about Dibutyl adipate
Diethylamino hydroxybenzoyl hexyl benzoate~4.5–6.8%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet

More about Diethylamino hydroxybenzoyl hexyl benzoate
Ethylhexyl triazone~4–6%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Uvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet

More about Ethylhexyl triazone
Bis-ethylhexyloxyphenol methoxyphenyl triazine~3.4–5.1%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.

More about Bis-ethylhexyloxyphenol methoxyphenyl triazine
Glycerin~2–3%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Dicaprylyl carbonate~1.6–2.4%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps products spread more easily and works as an emollient to soften skin

More about Dicaprylyl carbonate
Cetearyl alcohol~1.3–2%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Isoamyl laurate~1.1–1.7%
Irritant · medium
Irritation risk
Medium

Helps stabilize emulsions and create a nice product texture

More about Isoamyl laurate
Sodium polyitaconate~0.85–1.25%
Formula
Dextrin isostearate~0.55–1.25%
Formula
Zinc oxide~0.85–1.3%
UV filterUnder-dosed
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
Titanium dioxide~0.5–1.2%
UV filterKey active
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Scenedesmus deserticola ferment extract~0.35–0.8%
Formula
Candelilla/jojoba/rice bran polyglyceryl-3 esters~0.35–0.8%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Help oil and water mix together

More about Candelilla/jojoba/rice bran polyglyceryl-3 esters
Glyceryl stearate~0.4–0.9%
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
Isoamyl cocoate~0.3–0.75%
Irritant · medium
Irritation risk
Medium

Helps oil and water mix together and works as a cleansing agent

More about Isoamyl cocoate
Polyhydroxystearic acid~0.3–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Cetearyl glucoside~0.2–0.75%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil in the product mix well together and improves product texture

More about Cetearyl glucoside
Isostearic acid~0.2–0.8%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a nice product texture

More about Isostearic acid
Stearic acid~0.3–0.75%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Sodium stearoyl lactylate~0.15–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Sodium stearoyl lactylate
Polyglyceryl-3 polyricinoleate~0.15–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 polyricinoleate
Caprylic/capric triglyceride~0.15–0.7%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
Althaea officinalis root extract~0.15–0.55%
Key activeIrritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

A plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation

More about Althaea officinalis root extract
Tocopherol~0.15–0.55%
Formula
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-inflammatoryAnti-aging

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
Sodium hyaluronate~0.15–0.5%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Cocos nucifera fruit extract~0.2–0.75%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

An emollient. Found to be as effective as a moisturizer for dry skin as mineral oil. Could be comedogenic

More about Cocos nucifera fruit extract
Xanthan gum~0.15–0.55%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Sodium levulinate~0.15–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium levulinate
Sodium anisate~0.15–0.5%
Irritant · high
Irritation risk
High

Used as a fragrance

More about Sodium anisate
Propanediol~0.15–0.55%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Inulin lauryl carbamate~0.1–0.45%
Formula
Irritation risk
Low
Works for
Cleansing
More about Inulin lauryl carbamate
Alumina~0.15–0.7%
Formula
Irritation risk
Low

The same compound that is used safely in dental implants and bone cements. In cosmetics, it is used to improve the consistency of products

More about Alumina
Sodium gluconate~0.1–0.3%
Formula
Irritation risk
Low

Helps stabilize product formulations

More about Sodium gluconate
Lecithin~0.15–0.65%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin

More about Lecithin
Ingredient list view

Aloe barbadensis leaf juice, Dibutyl adipate, Diethylamino hydroxybenzoyl hexyl benzoate, Ethylhexyl triazone, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Glycerin, Dicaprylyl carbonate, Cetearyl alcohol, Isoamyl laurate, Sodium polyitaconate, Dextrin isostearate, Zinc oxide, Titanium dioxide, Scenedesmus deserticola ferment extract, Candelilla/jojoba/rice bran polyglyceryl-3 esters, Glyceryl stearate, Isoamyl cocoate, Polyhydroxystearic acid, Cetearyl glucoside, Isostearic acid, Stearic acid, Sodium stearoyl lactylate, Polyglyceryl-3 polyricinoleate, Caprylic/capric triglyceride, Althaea officinalis root extract, Tocopherol, Sodium hyaluronate, Cocos nucifera fruit extract, Xanthan gum, Sodium levulinate, Sodium anisate, Propanediol, Inulin lauryl carbamate, Alumina, Sodium gluconate, Lecithin

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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
Tropic SkincareGREAT BARRIER Sun Lotion - SPF 50YOUR PRODUCTSCINICEnjoy Super Mild Sun Essence SPF 50+ PA++++Beauty of JoseonRelief Sun Aqua-Fresh : Rice + B5UltrasunSun Protection Extreme Very High Sun Protection for Sensitive Skin SPF50+
Match—40%39%39%
Price—$9.14$12.39$25.08
Shared key ingredients—5 of 105 of 106 of 10
Key difference—NiacinamideFerulic AcidArginine
Irritancy Medium Low Low Low
SPFSPF 50SPF 50SPF 50SPF 50
Drying alcohol——— Contains drying alcohol
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More alternatives: Derma Face sun lotion SPF 30Mustela Very High Protection Sun Lotion Baby-Children-Family SPF50+

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Product summary

We believe that "Tropic Skincare - GREAT BARRIER Sun Lotion - SPF 50" can provide reliable sun protection based on the ingredients listed. It can protect from both UVA and UVB rays. This is great news because 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).

Its formula is also hydrating, so you might not need an additional moistruizer during the day. Like all broad-spectrum sunscreens, this product helps prevent early signs of aging.

Sunscreen filters

This is a "mixed" sunscreen in the sense that it uses both mineral and organic (so-called "chemical") sun filters. The organic filters in the product are: tinosorb s, uvinul a plus and uvinul t. As for the mineral filters, this sunscreen uses both tinosorb s, uvinul a plus and uvinul t.

Irritation risk

There are some common irritants in this product, including ingredients that do not have benefits for the skin. We assess the overall irritancy of this sunscreen to be medium. 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 for 28.00£ in the United Kingdom.

For a detailed price comparison: click here.

Tropic Skincare GREAT BARRIER Sun Lotion - SPF 50
Tropic SkincareGREAT BARRIER Sun Lotion - SPF 50

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