Piz Buin

Piz Buin In Sun Ultra Light Sun Spray SPF 30 High

Name: Piz Buin - In Sun Ultra Light Sun Spray SPF 30 High
Brand: Piz Buin

SPF 30Efficacy100/100IrritancyMedium·6 UV filters

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Works for

2 of 2 advertised claims delivered

Sun protection

SPF 30 · 6 UV filters

Broad spectrum

SPF 30Broad spectrumChemical filtersNano 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

Octisalate

Octocrylene

Tinosorb S

Tinosorb M

Avobenzone

Uvinul A Plus

FilterCoverageWhat it doesEst. amount

OctisalateEthylhexyl SalicylateUVBOctisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen~4.4–5.4%

OctocryleneUVB Photo-stable A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen~3.6–4.4%

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. Unfortunately, not approved by FDA (US) yet.~1.3–1.6%

Tinosorb MMethylene Bis-benzotriazolyl TetramethylbutylphenolUVBUVA Photo-stable Tinosorb M. A UV filter. Is effective against both UVA and UVB rays. It also provides some protection against visible light. It is photostable and can also be used to improve photostability of other sunscreen ingredients. Its physical properties help to create lightweight sunscreen formulations. It can leave a slight white cast. Unfortunately, it is not approved by the FDA (US) yet~0.65–1%

AvobenzoneButyl MethoxydibenzoylmethaneUVA1Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.~2.1–2.6%

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~0.95–1.15%

~ 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

No ingredient credited for this claim

Strong evidence

What the product description says

“Enriched with a strong anti-oxidant, it helps to prevent sun induced premature skin ageing.”

Source: Supderdrug

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.

Evens skin tone

Not advertised by the brand · No ingredient credited for this claim

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).

Moisturizing

Not advertised by the brand · Glycerin, C12-15 alkyl benzoate + 5 more

Good evidence

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin, butylene glycol.

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. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

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~2–2.5%

C12-15 alkyl benzoateKey active· EmollientEffect: MediumEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth~6.1–7.4%

Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~0.2–0.35%

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~2.4–2.9%

Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.3–0.6%

Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~0.35–0.6%

Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~0.3–0.5%

Can it cause trouble?

Irritancy

1 strong irritant: Parfum

Medium risk

We flagged 16 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~0.3–0.5%est.

Decyl glucosideHelps oil and water mix together. Can be irritatingHigh~0.3–0.55%est.

Sodium lauryl sulfateA cleansing agent (SLS). It can be irritatingHigh~0.5–0.75%est.

ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05%est.

OctocryleneA weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreenMedium~3.6–4.4%est.

Butyl methoxydibenzoylmethaneAvobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.Medium~2.1–2.6%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~1.3–1.6%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~0.95–1.15%est.

Methylene bis-benzotriazolyl tetramethylbutylphenolTinosorb M. A UV filter. Is effective against both UVA and UVB rays. It also provides some protection against visible light. It is photostable and can also be used to improve photostability of other sunscreen ingredients. Its physical properties help to create lightweight sunscreen formulations. It can leave a slight white cast. Unfortunately, it is not approved by the FDA (US) yetMedium~0.65–1%est.

Acrylates copolymerUsed to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen) and create a thicker product consistencyMedium~0.45–0.65%est.

Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~0.35–0.6%est.

Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.3–0.6%est.

C12-20 alkyl glucosideHelps water and oil mix togetherMedium~0.25–0.5%est.

Sodium dodecylbenzenesulfonateHelps oil and water mix togetherMedium~0.25–0.5%est.

Caprylhydroxamic acidA preservativeMedium~0.1–0.2%est.

Disodium edtaStabilizes the product formulationMedium~0.1–0.15%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

Sodium lauryl sulfateA cleansing agent (SLS). It can be irritating3/5~0.5–0.75%est.

Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~0.2–0.35%est.

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Alternatives

The closest match we found

RoC Skincare Soleil-Protect High Tolerance Spray Lotion SPF50+

Closest match52% match

$16.58

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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%

Formula

Irritation risk: Low

Plain old water

More about Water

C12-15 alkyl benzoate~6.1–7.4%

Key active

Irritation risk: Low

Works for

Moisturizing

Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth

More about C12-15 alkyl benzoate

Ethylhexyl salicylate~4.4–5.4%

UV filter

Irritation risk: Low

Works for

Sun protection

Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen

More about Ethylhexyl salicylate

Octocrylene~3.6–4.4%

UV filterKey activeIrritant · medium

Irritation risk: Medium

Works for

Sun protection

A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen

More about Octocrylene

Butylene glycol~2.4–2.9%

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

Glycerin~2–2.5%

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

Butyl methoxydibenzoylmethane~2.1–2.6%

UV filterKey activeIrritant · medium

Irritation risk: Medium

Works for

Sun protection

Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.

More about Butyl methoxydibenzoylmethane

Vp/hexadecene copolymer~1.4–1.7%

Formula

Irritation risk: Low

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

More about Vp/hexadecene copolymer

Styrene/acrylates copolymer~1.1–1.4%

Formula

Irritation risk: Low

Used to create an even product consistency. Can help boost efficiency of sunscreen filters

More about Styrene/acrylates copolymer

Bis-ethylhexyloxyphenol methoxyphenyl triazine~1.3–1.6%

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

Diethylamino hydroxybenzoyl hexyl benzoate~0.95–1.15%

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

Methylene bis-benzotriazolyl tetramethylbutylphenol~0.65–1%

UV filterKey activeIrritant · medium

Irritation risk: Medium

Works for

Sun protection

Tinosorb M. A UV filter. Is effective against both UVA and UVB rays. It also provides some protection against visible light. It is photostable and can also be used to improve photostability of other sunscreen ingredients. Its physical properties help to create lightweight sunscreen formulations. It can leave a slight white cast. Unfortunately, it is not approved by the FDA (US) yet

More about Methylene bis-benzotriazolyl tetramethylbutylphenol

Acrylates copolymer~0.45–0.65%

Irritant · medium

Irritation risk: Medium

Used to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen) and create a thicker product consistency

More about Acrylates copolymer

Chrysanthemum parthenium flower extract~0.3–0.6%

Formula

Irritation risk: Low

More about Chrysanthemum parthenium flower extract

Pentylene glycol~0.35–0.6%

Irritant · medium

Irritation risk: Medium

Works for

Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol

Caprylyl glycol~0.3–0.6%

Irritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol

Propylene glycol~0.3–0.5%

Irritant · high

Irritation risk: High

Works for

Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol

C12-20 alkyl glucoside~0.25–0.5%

Irritant · medium

Irritation risk: Medium

Works for

Cleansing

Helps water and oil mix together

More about C12-20 alkyl glucoside

Decyl glucoside~0.3–0.55%

Irritant · high

Irritation risk: High

Works for

Cleansing

Helps oil and water mix together. Can be irritating

More about Decyl glucoside

Linseed acid~0.3–0.6%

Formula

Irritation risk: Low

Works for

Cleansing

More about Linseed acid

Sodium dodecylbenzenesulfonate~0.25–0.5%

Irritant · medium

Irritation risk: Medium

Works for

Cleansing

Helps oil and water mix together

More about Sodium dodecylbenzenesulfonate

Sodium lauryl sulfate~0.5–0.75%

Comedogenic 3/5Irritant · high

Irritation risk: High
Comedogenicity: 3/5

Works for

Cleansing

A cleansing agent (SLS). It can be irritating

More about Sodium lauryl sulfate

C14-22 alcohols~0.15–0.3%

Formula

Irritation risk: Low

A non-drying alcohol that helps stabilize product formulations

More about C14-22 alcohols

Xanthan gum~0.15–0.3%

Formula

Irritation risk: Low

Works for

Cleansing

Used to create a thicker product consistency

More about Xanthan gum

Cetearyl alcohol~0.2–0.35%

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

Acrylates/steareth-20 methacrylate copolymer~0.15–0.25%

Formula

Irritation risk: Low

More about Acrylates/steareth-20 methacrylate copolymer

Caprylhydroxamic acid~0.1–0.2%

Irritant · medium

Irritation risk: Medium

A preservative

More about Caprylhydroxamic acid

Disodium edta~0.1–0.15%

Irritant · medium

Irritation risk: Medium

Stabilizes the product formulation

More about Disodium edta

Phenoxyethanol~0.1–0.2%

Formula

Irritation risk: Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol

Parfum~0.05%

Irritant · high

Irritation risk: High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum

Ingredient list view

Water, C12-15 alkyl benzoate, Ethylhexyl salicylate, Octocrylene, Butylene glycol, Glycerin, Butyl methoxydibenzoylmethane, Vp/hexadecene copolymer, Styrene/acrylates copolymer, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Diethylamino hydroxybenzoyl hexyl benzoate, Methylene bis-benzotriazolyl tetramethylbutylphenol, Acrylates copolymer, Chrysanthemum parthenium flower extract, Pentylene glycol, Caprylyl glycol, Propylene glycol, C12-20 alkyl glucoside, Decyl glucoside, Linseed acid, Sodium dodecylbenzenesulfonate, Sodium lauryl sulfate, C14-22 alcohols, Xanthan gum, Cetearyl alcohol, Acrylates/steareth-20 methacrylate copolymer, Caprylhydroxamic acid, Disodium edta, Phenoxyethanol, Parfum

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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
	Piz BuinIn Sun Ultra Light Sun Spray SPF 30 HighYOUR PRODUCT	RoC SkincareSoleil-Protect High Tolerance Spray Lotion SPF50+
Match	—	52%
Price	$9.34	$16.58+$7.24
Shared key ingredients	—	5 of 6
Key difference	—	Ginkgo Biloba Leaf Extract
Irritancy	Medium	Low
SPF	SPF 30	SPF 50
Drying alcohol	—	Contains drying alcohol
	View product	Shop

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Product summary

The ingredient list suggests that "Piz Buin - In Sun Ultra Light Sun Spray SPF 30 High" 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).

As a plus, this sunscreen uses some of the new generation UV filters (Tinosorb M). These filters are more stable and more gentle on the skin.

Because it includes good moisturizing ingredients, it can also work as a hydrating day cream. Like all broad-spectrum sunscreens, this product has an anti-aging benefit.

Sunscreen filters

This is a so-called "chemical" sunscreen. It means that it uses organic UV filters. They typically offer good sun protection and rarely leave a white cast, but they can be irritating for some people with sensitive skin. Here are the exact UV filters in this sunscreen: tinosorb s 1.30% - 1.60%, avobenzone 2.10% - 2.60%, uvinul a plus 0.95% - 1.15%, octisalate 4.40% - 5.40%, tinosorb m 0.65% - 1.00% and octocrylene 3.60% - 4.40%.

Irritation risk

This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this product 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.