Miami Beach Bum Blocked SPF 50 Mineral Sunscreen Spray - Reef-Safe, No White Cast

Name: Miami Beach Bum - Blocked SPF 50 Mineral Sunscreen Spray - Reef-Safe, No White Cast
Brand: Miami Beach Bum

SPF 50Efficacy90/100IrritancyLow·1 UV filter

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Works for

1 of 1 advertised claim delivered

Sun protection

SPF 50 · 1 UV filter

Broad spectrum

SPF 50Broad spectrumMineral + chemical filtersWater-resistantNo white cast

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

It is a mineral sunscreen. In other words, it contains non-organic UV filters. It will probably not sting your eyes but might leave a white cast.

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 colorant15%

Reef-safe

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

Anti-aging

Not advertised by the brand · Algae extract, Aloe barbadensis leaf juice + 1 more

Strong evidence

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.

Algae extractEffect: LowPlant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet~4.4–6.6%

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~2–3%

NiacinamideUnder-dosedEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.05–0.2%

Evens skin tone

Not advertised by the brand · Niacinamide

Strong evidence

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).

Anti-oxidation

Not advertised by the brand · Camellia sinensis extract, Carthamus tinctorius seed oil + 2 more

Moderate evidence

This product contains antioxidants (camellia sinensis extract) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

Camellia sinensis extractKey activeEffect: MediumTea extract. Might be helpful in neutralizing free radicals in skin~0.9–1.3%

Carthamus tinctorius seed oilEffect: LowAn emollient that helps soften the skin and might help calm down inflammation~0.5–1.1%

Brassica oleracea italica extractEffect: LowMight have some anti-inflammatory properties but research is lacking~1–1.5%

Citrullus lanatus fruit extractEffect: Low, below effective doseA plant extract that can contain an antioxidant compound~0.15–0.6%

Moisturizing

Not advertised by the brand · Carthamus tinctorius seed oil, Glycerin + 10 more

Good evidence

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: algae extract, allantoin.

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: caprylic/capric triglyceride, adansonia digitata oil.

Carthamus tinctorius seed oilKey active· EmollientEffect: HighAn emollient that helps soften the skin and might help calm down inflammation~0.5–1.1%

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~0.1–0.3%

Adansonia digitata oilKey active· EmollientEffect: HighBaobab oil. Helps soften the upper layer of the skin~23–35%

Algae extractKey active· Humectant, EmollientEffect: HighPlant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet~4.4–6.6%

AllantoinKey active· HumectantEffect: HighHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~2.6–3.9%

Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~0.6–1.35%

TriheptanoinKey activeEffect: HighA synthetic triglyceride. Helps soften the upper layer of the skin~0.01–0.05%

Glyceryl stearate citrate· EmollientEffect: LowHelps oil and water mix together while softening the upper layer of the skin~0.1–0.35%

Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.1–0.35%

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~2–3%

Persea gratissima oilUnder-dosedEffect: HighAn emollient that helps soften the skin and could be helpful in repairing its barrier function~0.05–0.3%

Can it cause trouble?

Irritancy

9 flagged ingredients

Low risk

We flag 9 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.

IngredientFunctionIrritationEst. amount

Decyl glucosideHelps oil and water mix together. Can be irritatingHigh~0.2–0.75%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~2–3%est.

Brassica oleracea italica extractMight have some anti-inflammatory properties but research is lackingMedium~1–1.5%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~0.6–1.35%est.

Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.3–0.7%est.

Citrullus lanatus fruit extractA plant extract that can contain an antioxidant compoundMedium~0.15–0.6%est.

Leuconostoc/radish root ferment filtrateA preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determineMedium~0.05–0.2%est.

Persea gratissima oilAn emollient that helps soften the skin and could be helpful in repairing its barrier functionMedium~0.05–0.3%est.

Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~0.05–0.25%est.

Comedogenic

1 ingredient rated 2 or more on the 0–5 pore-clogging scale

1 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

Algae extractPlant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet3/5~4.4–6.6%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Zinc oxide15%

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

Adansonia digitata oil~23–35%

Key active

Irritation risk: Low

Works for

Moisturizing

Baobab oil. Helps soften the upper layer of the skin

More about Adansonia digitata oil

Algae extract~4.4–6.6%

Key activeComedogenic 3/5

Irritation risk: Low
Comedogenicity: 3/5

Works for

MoisturizingAnti-aging

Plant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet

More about Algae extract

Allantoin~2.6–3.9%

Key active

Irritation risk: Low

Works for

MoisturizingAnti-inflammatoryReduces irritationReduces rednessAnti-blemishExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin

Aloe barbadensis leaf juice~2–3%

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

Water~1.4–2.1%

Formula

Irritation risk: Low

Plain old water

More about Water

Brassica oleracea italica extract~1–1.5%

Irritant · medium

Irritation risk: Medium

Works for

Anti-oxidation

Might have some anti-inflammatory properties but research is lacking

More about Brassica oleracea italica extract

C13-16 isoalkane~1–1.5%

Formula

Irritation risk: Low

More about C13-16 isoalkane

Camellia sinensis extract~0.9–1.3%

Key active

Irritation risk: Low

Works for

Anti-oxidation

Tea extract. Might be helpful in neutralizing free radicals in skin

More about Camellia sinensis extract

Caprylic/capric triglyceride~0.6–1.35%

Key activeIrritant · 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

Carthamus tinctorius seed oil~0.5–1.1%

Key active

Irritation risk: Low

Works for

MoisturizingAnti-oxidation

An emollient that helps soften the skin and might help calm down inflammation

More about Carthamus tinctorius seed oil

Citric acid~0.3–0.7%

Irritant · medium

Irritation risk: Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid

Citrullus lanatus fruit extract~0.15–0.6%

Irritant · medium

Irritation risk: Medium

Works for

Anti-oxidation

A plant extract that can contain an antioxidant compound

More about Citrullus lanatus fruit extract

Decyl glucoside~0.2–0.75%

Irritant · high

Irritation risk: High

Works for

Cleansing

Helps oil and water mix together. Can be irritating

More about Decyl glucoside

Dodecane~0.05–0.3%

Formula

Irritation risk: Low

More about Dodecane

Glycerin~0.1–0.3%

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

Glyceryl stearate~0.1–0.35%

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

Glyceryl stearate citrate~0.1–0.35%

Formula

Irritation risk: Low

Works for

CleansingMoisturizing

Helps oil and water mix together while softening the upper layer of the skin

More about Glyceryl stearate citrate

Leuconostoc/radish root ferment filtrate~0.05–0.2%

Irritant · medium

Irritation risk: Medium

A preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determine

More about Leuconostoc/radish root ferment filtrate

Niacinamide~0.05–0.2%

Under-dosed

Irritation risk: Low

Works for

Anti-agingEvens skin toneMoisturizingAnti-blemishReduces irritationAntibacterialReduces rednessAnti-inflammatory

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide

Persea gratissima oil~0.05–0.3%

Under-dosedIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

An emollient that helps soften the skin and could be helpful in repairing its barrier function

More about Persea gratissima oil

Polyhydroxystearic acid~0.05–0.25%

Irritant · medium

Irritation risk: Medium

Works for

Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid

Sorbitan stearate~0.05–0.15%

Formula

Irritation risk: Low

Works for

Cleansing

Helps water and oil mix together

More about Sorbitan stearate

Tocopheryl(vitamin e)

Not recognized

Tridecyl salicylate~0.01–0.05%

Formula

Irritation risk: Low

More about Tridecyl salicylate

Triheptanoin~0.01–0.05%

Key active

Irritation risk: Low

Works for

CleansingMoisturizing

A synthetic triglyceride. Helps soften the upper layer of the skin

More about Triheptanoin

Xanthan gum~0.01–0.05%

Formula

Irritation risk: Low

Works for

Cleansing

Used to create a thicker product consistency

More about Xanthan gum

Propanediol~0.01–0.05%

Formula

Irritation risk: Low

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

More about Propanediol

Ingredient list view

Zinc oxide, Adansonia digitata oil, Algae extract, Allantoin, Aloe barbadensis leaf juice, Water, Brassica oleracea italica extract, C13-16 isoalkane, Camellia sinensis extract, Caprylic/capric triglyceride, Carthamus tinctorius seed oil, Citric acid, Citrullus lanatus fruit extract, Decyl glucoside, Dodecane, Glycerin, Glyceryl stearate, Glyceryl stearate citrate, Leuconostoc/radish root ferment filtrate, Niacinamide, Persea gratissima oil, Polyhydroxystearic acid, Sorbitan stearate, Unknown, Tridecyl salicylate, Triheptanoin, Xanthan gum, Propanediol

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 12 studies and safety reviews.

1
A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
2
Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
3
Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
4
Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorodsiopscience.iop.org
5
ZnO nanoparticles and organic chemical UV-filters are equally well tolerated by human immune cellsncbi.nlm.nih.gov
6
Fatty acid composition and metal content of Adansonia digitata seeds and seed oilsci.ui.edu.ng
7
Profile of wound healing process induced by allantoinscielo.br
8
Analyzing Lycopene Content in Fruitssciencedirect.com
9
Ecofriendly surfactant is allergen of the yearmdedge.com
10
Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
11
Niacinamide - mechanisms of action and its topical use in dermatologyncbi.nlm.nih.gov
12
Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x ncbi.nlm.nih.gov

Miami Beach BumBlocked SPF 50 Mineral Sunscreen Spray - Reef-Safe, No White Cast

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