Coola Classic Full Spectrum 360 Sun Silk Drops SPF 30

Coola Classic Full Spectrum 360 Sun Silk Drops SPF 30

SPF 30Efficacy100/100IrritancyHigh·5 UV filters
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Works for

1 of 1 advertised claim delivered

Sun protection
SPF 30 · 5 UV filters
Broad spectrum
SPF 30Broad spectrumChemical filtersNo white cast

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
Butyloctyl Salicylate
Homosalate
Avobenzone
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" sunscreen10%
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" sunscreen6%
Butyloctyl SalicylateUVBA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own~3.5–5.2%
HomosalateUVB Photo-stable A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against 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. When used in low concentrations, helps to stabilize the product formulation2%
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.~23–34%
~ 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-oxidation
Not advertised by the brand · 5 ingredients credited for this claim
Strong support

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

Polygonum aviculare extractKey activeEffect: HighA plant extract that contains a flavanol Juglanin. It can help neutralize free radicals in skin and reduce inflammation~0.15–0.65%
Carthamus tinctorius seed oilEffect: LowAn emollient that helps soften the skin and might help calm down inflammation~2–3%
Anthemis nobilis flower oilEffect: LowAn essential oil that is used as a fragrance and can be irritating. It might have some anti-oxidant effect in skin~4.4–6.6%
TocopherolUnder-dosedEffect: 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~0.05–0.25%
GluconolactoneUnder-dosedEffect: MediumA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.8%
Anti-aging
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

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~5.1–7.7%
GluconolactoneUnder-dosedEffect: HighA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.8%
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~0.05–0.25%
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).

GluconolactoneUnder-dosedEffect: HighA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.8%
Moisturizing
Not advertised by the brand · 12 ingredients credited for this claim
Good support

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: carthamus tinctorius seed oil, olea europaea fruit oil.

Carthamus tinctorius seed oilKey active· EmollientEffect: HighAn emollient that helps soften the skin and might help calm down inflammation~2–3%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.1–0.35%
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~0.2–0.75%
Olea europaea fruit oilKey active· EmollientEffect: MediumAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation~0.15–0.55%
Plankton extractKey activeEffect: MediumCan help attract water to the upper layer of the skin~0.1–0.5%
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~5.1–7.7%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.2–0.75%
Dicaprylyl carbonate· EmollientEffect: LowHelps products spread more easily and works as an emollient to soften skin~1.1–1.6%
GluconolactoneUnder-dosedEffect: HighA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.8%
Simmondsia chinensis seed oilUnder-dosedEffect: HighSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.~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~0.05–0.25%
Stearic acidEffect: Low, below effective doseHelps oil and water mix together and works as an emollient~0.15–0.6%

Can it cause trouble?

Irritancy
3 strong irritants: Citrus aurantium amara flower extract, Citrus aurantium amara leaf/twig extract + 1 more — patch-test recommended
High risk
We flagged 15 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Anthemis nobilis flower oilAn essential oil that is used as a fragrance and can be irritating. It might have some anti-oxidant effect in skinHigh~4.4–6.6%est.
Citrus aurantium amara flower extractUsed as a fragrance for its citrus smell. Can be irritatingHigh~1.4–2.1%est.
Jasminum sambac leaf cell extractUsed as a fragranceHigh~0.1–0.5%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~23–34%est.
HomosalateA weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against 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. When used in low concentrations, helps to stabilize the product formulationMedium2%
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" sunscreenMedium6%
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~5.1–7.7%est.
Butyloctyl salicylateA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its ownMedium~3.5–5.2%est.
EthylhexylglycerinA preservativeMedium~0.45–1.05%est.
GluconolactoneA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicalsMedium~0.35–0.8%est.
Olea europaea fruit oilAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammationMedium~0.15–0.55%est.
Plankton extractCan help attract water to the upper layer of the skinMedium~0.1–0.5%est.
Polygonum aviculare extractA plant extract that contains a flavanol Juglanin. It can help neutralize free radicals in skin and reduce inflammationMedium~0.15–0.65%est.
Simmondsia chinensis seed oilSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.Medium~0.15–0.65%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
Ecklonia kurome extract—3/5~0.55–1.25%est.
Plankton extractCan help attract water to the upper layer of the skin3/5~0.1–0.5%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Butyl methoxydibenzoylmethane~23–34%
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
Homosalate2%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against 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. When used in low concentrations, helps to stabilize the product formulation

More about Homosalate
Ethylhexyl salicylate10%
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
Octocrylene6%
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
Aloe barbadensis leaf juice~5.1–7.7%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingReduces rednessAntibacterialAnti-inflammatoryReduces irritationAnti-agingAnti-blemish

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
Anthemis nobilis flower oil~4.4–6.6%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatoryAnti-oxidation

An essential oil that is used as a fragrance and can be irritating. It might have some anti-oxidant effect in skin

More about Anthemis nobilis flower oil
Butyloctyl salicylate~3.5–5.2%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own

More about Butyloctyl salicylate
Carthamus tinctorius extract~2.8–4.2%
Formula
Carthamus tinctorius seed oil~2–3%
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
Citrus aurantium amara flower extract~1.4–2.1%
Irritant · high
Irritation risk
High

Used as a fragrance for its citrus smell. Can be irritating

More about Citrus aurantium amara flower extract
Citrus aurantium amara leaf/twig extract~1.2–1.8%
Irritant · high
Dicaprylyl carbonate~1.1–1.6%
Formula
Irritation risk
Low
Works for
Moisturizing

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

More about Dicaprylyl carbonate
Ecklonia kurome extract~0.55–1.25%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
More about Ecklonia kurome extract
Ethylhexylglycerin~0.45–1.05%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Gluconolactone~0.35–0.8%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Anti-agingExfoliationEvens skin toneMoisturizingAnti-blemishAnti-oxidation

A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals

More about Gluconolactone
Glycerin~0.2–0.75%
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~0.2–0.75%
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
Jasminum sambac leaf cell extract~0.1–0.5%
Irritant · high
Irritation risk
High

Used as a fragrance

More about Jasminum sambac leaf cell extract
Marrubium vulgare extract~0.1–0.45%
Formula
Melanin~0.15–0.5%
Formula
Irritation risk
Low
More about Melanin
Nylon-12~0.15–0.6%
Formula
Irritation risk
Low

Used to create a nice product consistency

More about Nylon-12
Olea europaea fruit oil~0.15–0.55%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation

More about Olea europaea fruit oil
Plankton extract~0.1–0.5%
Key activeComedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Moisturizing

Can help attract water to the upper layer of the skin

More about Plankton extract
Polygonum aviculare extract~0.15–0.65%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-inflammatory

A plant extract that contains a flavanol Juglanin. It can help neutralize free radicals in skin and reduce inflammation

More about Polygonum aviculare extract
Simmondsia chinensis seed oil~0.15–0.65%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Softens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.

More about Simmondsia chinensis seed oil
Sodium hyaluronate~0.1–0.35%
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
Sodium benzoate~0.05–0.25%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Stearic acid~0.15–0.6%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Tocopherol~0.05–0.25%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

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
Water~0.05–0.25%
Formula
Irritation risk
Low

Plain old water

More about Water
Xanthan gum~0.05–0.2%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Ingredient list view

Butyl methoxydibenzoylmethane, Homosalate, Ethylhexyl salicylate, Octocrylene, Aloe barbadensis leaf juice, Anthemis nobilis flower oil, Butyloctyl salicylate, Carthamus tinctorius extract, Carthamus tinctorius seed oil, Citrus aurantium amara flower extract, Citrus aurantium amara leaf/twig extract, Dicaprylyl carbonate, Ecklonia kurome extract, Ethylhexylglycerin, Gluconolactone, Glycerin, Glyceryl stearate, Jasminum sambac leaf cell extract, Marrubium vulgare extract, Melanin, Nylon-12, Olea europaea fruit oil, Plankton extract, Polygonum aviculare extract, Simmondsia chinensis seed oil, Sodium hyaluronate, Sodium benzoate, Stearic acid, Tocopherol, Water, Xanthan gum

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Product summary

The ingredient list suggests that "Coola - Classic Full Spectrum 360 Sun Silk Drops 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).

Its formula is also hydrating, so you might not need an additional moistruizer during the day. This product prevents early signs of aging by protecting against sun damage (all broad spectrum sunscreens do that).

Sunscreen filters

This sunscreen uses so-called "chemical", or organic UV filters (organic simply means that their molecules contain atoms of carbon). These filters typically give good sun protection and rarely leave a white cast, but they can be irritating for sensitive skin. Here are the exact UV filters in this sunscreen: avobenzone 23.00% - 34.00%, butyloctyl salicylate 3.50% - 5.20%, octisalate 10.00% (declared), homosalate 2.00% (declared) and octocrylene 6.00% (declared).

Irritation risk

We assess the overall irritancy of this sunscreen to be high. 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.

About the brand

According to Cruelty-Free Kitty "Coola" is cruelty free, but its parent company is not.

Price

The product retails for 46.00$ 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 21 studies and safety reviews.

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Coola Classic Full Spectrum 360 Sun Silk Drops SPF 30
CoolaClassic Full Spectrum 360 Sun Silk Drops SPF 30

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