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ISNTREE Hyaluronic Acid Airy Sun Stick SPF 50 PA++++
ISNTREE

ISNTREE Hyaluronic Acid Airy Sun Stick SPF 50 PA++++

SPF 50Efficacy90/100IrritancyMedium·5 UV filters
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Works for

3 of 3 advertised claims delivered

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

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Homosalate
Octinoxate
Octisalate
Tinosorb S
Uvinul A Plus
FilterCoverageWhat it doesEst. amount
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 formulation~3.2–3.9%
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 irritating~2–2.5%
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~1.4–1.7%
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.~0.65–0.95%
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~0.7–1.05%
~ marks concentrations estimated from label position and typical use levels
Anti-aging
4 ingredients credited for this claim
Strong support
What the product description says
“With Niacinamide for brightening and Adenosine to help tackle any signs of ageing, this is more than just a sun protection product.”
Source: Glowsecret

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: astaxanthin.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

This product can also 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.

AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.3–0.5%
AstaxanthinKey activeEffect: MediumHelps neutralize free radicals in skin and might help to calm down inflammation~0.25–0.5%
Hyaluronic acidEffect: LowOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.1–0.2%
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~0.55–0.8%
Moisturizing
23 ingredients credited for this claim
Strong support
What the product description says
“Hyaluronic Acid Airy Sun Stick SPF 50 PA++++”
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, hyaluronic acid.

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: vinyl dimethicone, c12-15 alkyl benzoate.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: ceramide np

Sodium acetylated hyaluronateKey active· HumectantEffect: HighA type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid~0.25–0.45%
Hydrolyzed hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.15–0.25%
Ceramide npHero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.35–0.6%
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~0.35–0.6%
Hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.1–0.2%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.3–0.5%
Sodium hyaluronate crosspolymerKey active· HumectantEffect: HighAttracts water into the upper layer of the skin~0.25–0.4%
Polyglyceryl-2 dipolyhydroxystearateKey activeEffect: HighHelps to soften the upper layer of the skin~0.3–0.55%
Vinyl dimethiconeKey active· EmollientEffect: HighA type of silicone that helps to create a nice product texture and soften the upper layer of the skin~0.5–0.75%
Laminaria japonica extractKey activeEffect: HighSeaweed extract that might help to attract water to the upper layer of the skin and have some anti-oxidant properties~0.3–0.55%
Hydrolyzed sodium hyaluronateKey activeEffect: HighAttracts water into the upper layer of the skin~0.15–0.3%
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~0.3–0.55%
Propylheptyl caprylateKey active· EmollientEffect: MediumHelps soften the upper layer of the skin~4–4.9%
Ulmus davidiana root extractKey activeEffect: MediumA plant root extract that helps attract water to the upper layer of the skin. It might have an anti-inflammatory effect and could help neturalize free radicals in skin~0.3–0.5%
AdenosineKey activeEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.3–0.5%
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~3.1–3.8%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~0.3–0.55%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.15–0.3%
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~0.7–1.05%
Glyceryl caprylate· EmollientEffect: LowAn emollient that can also help water and oil mix together, as well as prevent bacteria growth in products~0.35–0.65%
Neopentyl glycol diheptanoate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~1.4–1.7%
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~0.55–0.8%
Aloe barbadensis leaf extractEffect: 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~0.35–0.65%
Evens skin tone
Not advertised by the brand · 2 ingredients 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).

Pinus pinaster bark extractEffect: LowA plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)~0.4–0.65%
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~0.55–0.8%
Anti-oxidation
Not advertised by the brand · 5 ingredients credited for this claim
Strong support

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

The following ingredients - pinus pinaster bark extract also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

AstaxanthinKey activeEffect: HighHelps neutralize free radicals in skin and might help to calm down inflammation~0.25–0.5%
Pinus pinaster bark extractKey activeEffect: MediumA plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)~0.4–0.65%
AdenosineEffect: LowMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.3–0.5%
Ulmus davidiana root extractEffect: LowA plant root extract that helps attract water to the upper layer of the skin. It might have an anti-inflammatory effect and could help neturalize free radicals in skin~0.3–0.5%
Hibiscus sabdariffa flower extractEffect: LowA plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicals~0.3–0.55%

Can it cause trouble?

Irritancy
2 strong irritants: Hibiscus sabdariffa flower extract, Sorbitan sesquioleate
Medium risk
We flagged 17 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
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 irritatingHigh~2–2.5%est.
Hibiscus sabdariffa flower extractA plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicalsHigh~0.3–0.55%est.
Ulmus davidiana root extractA plant root extract that helps attract water to the upper layer of the skin. It might have an anti-inflammatory effect and could help neturalize free radicals in skinHigh~0.3–0.5%est.
Sorbitan sesquioleateUsed to help oil and water mix together. Can be irritatingHigh~0.3–0.55%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 formulationMedium~3.2–3.9%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~0.7–1.05%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~0.65–0.95%est.
Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacateHelps water and oil mix togetherMedium~0.45–0.7%est.
Pinus pinaster bark extractA plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)Medium~0.4–0.65%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~0.3–0.55%est.
Aloe barbadensis leaf extractTraditionally 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~0.35–0.65%est.
AstaxanthinHelps neutralize free radicals in skin and might help to calm down inflammationMedium~0.25–0.5%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~0.3–0.55%est.
Sodium hyaluronate crosspolymerAttracts water into the upper layer of the skinMedium~0.25–0.4%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.15–0.3%est.
EthylhexylglycerinA preservativeMedium~0.05–0.1%est.
1,2-hexanediolA preservativeMedium~0.1–0.15%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
Laminaria japonica extractSeaweed extract that might help to attract water to the upper layer of the skin and have some anti-oxidant properties3/5~0.3–0.55%est.
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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
Polyethylene~4–4.8%
Formula
Irritation risk
Low

Used to thicken the product's texture

More about Polyethylene
Propylheptyl caprylate~4–4.9%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Propylheptyl caprylate
C12-15 alkyl benzoate~3.1–3.8%
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
Homosalate~3.2–3.9%
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
Silica~2–2.5%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Ethylhexyl methoxycinnamate~2–2.5%
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
Neopentyl glycol diheptanoate~1.4–1.7%
Formula
Irritation risk
Low
Works for
Moisturizing

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

More about Neopentyl glycol diheptanoate
Vinyl dimethicone/methicone silsesquioxane crosspolymer~1.1–1.4%
Formula
Irritation risk
Low

A type of silicone that create a smooth product finish and can create an optical soft-focus effect on the skin. Helps to thicken the product consistency

More about Vinyl dimethicone/methicone silsesquioxane crosspolymer
Ethylhexyl salicylate~1.4–1.7%
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
Butylene glycol~0.7–1.05%
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
Synthetic fluorphlogopite~0.65–1%
Formula
Irritation risk
Low

A mineral that is used as an optical filter (makes the skin looks nicer through light reflection) and to improve the texture of cosmetic products

More about Synthetic fluorphlogopite
Niacinamide~0.55–0.8%
Under-dosed
Irritation risk
Low
Works for
Anti-agingAnti-blemishMoisturizingEvens skin toneReduces irritationReduces rednessAntibacterialAnti-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
Diethylamino hydroxybenzoyl hexyl benzoate~0.7–1.05%
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
Vinyl dimethicone~0.5–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

A type of silicone that helps to create a nice product texture and soften the upper layer of the skin

More about Vinyl dimethicone
Bis-ethylhexyloxyphenol methoxyphenyl triazine~0.65–0.95%
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
Ozokerite~0.5–0.75%
Formula
Irritation risk
Low

Used to thicken the product consistency

More about Ozokerite
Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate~0.45–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate
Pinus pinaster bark extract~0.4–0.65%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin tone

A plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)

More about Pinus pinaster bark extract
Bambusa vulgaris water~0.3–0.6%
Formula
Irritation risk
Low
More about Bambusa vulgaris water
Mesembryanthemum crystallinum extract~0.3–0.6%
Formula
Irritation risk
Low
More about Mesembryanthemum crystallinum extract
Hibiscus sabdariffa flower extract~0.3–0.55%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicals

More about Hibiscus sabdariffa flower extract
Ceramide np~0.35–0.6%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingReduces irritationAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide np
Glycerin~0.35–0.6%
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
Olea europaea fruit oil~0.3–0.55%
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
Laminaria japonica extract~0.3–0.55%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

Seaweed extract that might help to attract water to the upper layer of the skin and have some anti-oxidant properties

More about Laminaria japonica extract
Ulmus davidiana root extract~0.3–0.5%
Key activeIrritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

A plant root extract that helps attract water to the upper layer of the skin. It might have an anti-inflammatory effect and could help neturalize free radicals in skin

More about Ulmus davidiana root extract
Aloe barbadensis leaf extract~0.35–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

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 extract
Viola mandshurica flower extract~0.3–0.55%
Formula
Irritation risk
Low
More about Viola mandshurica flower extract
Dioscorea japonica root extract~0.3–0.5%
Formula
Irritation risk
Low
More about Dioscorea japonica root extract
Polyglyceryl-2 dipolyhydroxystearate~0.3–0.55%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin

More about Polyglyceryl-2 dipolyhydroxystearate
Polyurethane-11~0.3–0.6%
Formula
Irritation risk
Low
More about Polyurethane-11
Glyceryl caprylate~0.35–0.65%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that can also help water and oil mix together, as well as prevent bacteria growth in products

More about Glyceryl caprylate
Sorbitan sesquioleate~0.3–0.55%
Irritant · high
Irritation risk
High
Works for
Cleansing

Used to help oil and water mix together. Can be irritating

More about Sorbitan sesquioleate
Sodium hyaluronate~0.3–0.5%
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
Adenosine~0.3–0.5%
Key active
Irritation risk
Low
Works for
Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine
Astaxanthin~0.25–0.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-agingAnti-inflammatory

Helps neutralize free radicals in skin and might help to calm down inflammation

More about Astaxanthin
Pentylene glycol~0.3–0.55%
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
Sodium acetylated hyaluronate~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

A type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid

More about Sodium acetylated hyaluronate
Sodium hyaluronate crosspolymer~0.25–0.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Sodium hyaluronate crosspolymer
Ascorbyl propyl hyaluronate~0.2–0.4%
Formula
Irritation risk
Low
More about Ascorbyl propyl hyaluronate
Hydroxypropyltrimonium hyaluronate~0.2–0.35%
Formula
Irritation risk
Low
More about Hydroxypropyltrimonium hyaluronate
Hydrolyzed sodium hyaluronate~0.15–0.3%
Key active
Irritation risk
Low
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Hydrolyzed sodium hyaluronate
Hydrolyzed hyaluronic acid~0.15–0.25%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin

More about Hydrolyzed hyaluronic acid
Hyaluronic acid~0.1–0.2%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryAnti-aging

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation

More about Hyaluronic acid
Triethoxycaprylylsilane~0.15–0.25%
Formula
Irritation risk
Low

A type of silicone that helps oil and water mix well together. Helps to disperse other ingredients, e.g. pigments, evenly in a formulation

More about Triethoxycaprylylsilane
Caprylyl glycol~0.15–0.3%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Ethylhexylglycerin~0.05–0.1%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
1,2-hexanediol~0.1–0.15%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Ingredient list view

Water, Polyethylene, Propylheptyl caprylate, C12-15 alkyl benzoate, Homosalate, Silica, Ethylhexyl methoxycinnamate, Neopentyl glycol diheptanoate, Vinyl dimethicone/methicone silsesquioxane crosspolymer, Ethylhexyl salicylate, Butylene glycol, Synthetic fluorphlogopite, Niacinamide, Diethylamino hydroxybenzoyl hexyl benzoate, Vinyl dimethicone, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Ozokerite, Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate, Pinus pinaster bark extract, Bambusa vulgaris water, Mesembryanthemum crystallinum extract, Hibiscus sabdariffa flower extract, Ceramide np, Glycerin, Olea europaea fruit oil, Laminaria japonica extract, Ulmus davidiana root extract, Aloe barbadensis leaf extract, Viola mandshurica flower extract, Dioscorea japonica root extract, Polyglyceryl-2 dipolyhydroxystearate, Polyurethane-11, Glyceryl caprylate, Sorbitan sesquioleate, Sodium hyaluronate, Adenosine, Astaxanthin, Pentylene glycol, Sodium acetylated hyaluronate, Sodium hyaluronate crosspolymer, Ascorbyl propyl hyaluronate, Hydroxypropyltrimonium hyaluronate, Hydrolyzed sodium hyaluronate, Hydrolyzed hyaluronic acid, Hyaluronic acid, Triethoxycaprylylsilane, Caprylyl glycol, Ethylhexylglycerin, 1,2-hexanediol

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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
ISNTREEHyaluronic Acid Airy Sun Stick SPF 50 PA++++YOUR PRODUCTGRAFENJeju Sea Water Sun EssenceDR. ATOMoisture Daily Sun Protect SPF50+ PA++++BarrCentella Soothing Sun Essence
Match—80%80%79%
Price$25.04$22.20−$2.84—$18.80−$6.24
Shared key ingredients—12 of 199 of 196 of 19
Key difference—Ceramide AsPhytosphingosinePanthenol
Irritancy Medium Medium Medium Low
SPFSPF 50SPF 50SPF 50SPF 50
Drying alcohol————
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Product summary

Based on the ingredient list, we assess that "ISNTREE - Hyaluronic Acid Airy Sun Stick SPF 50 PA++++" 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. Like all broad-spectrum sunscreens, this product helps prevent early signs of aging.

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: tinosorb s 0.65% - 0.95%, uvinul a plus 0.70% - 1.05%, octinoxate 2.00% - 2.50% and homosalate 3.20% - 3.90%.

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.

About the brand

According to Cruelty-Free Kitty "ISNTREE" is cruelty free and so is its parent company.

Price

The product retails for 1799.99KSH in Kenya.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 26 studies and safety reviews.

  1. 1
    Opinion on Homosalate - Scientific Committee on Consumer Products ec.europa.eu
  2. 2
    Niacinamide - mechanisms of action and its topical use in dermatologyncbi.nlm.nih.gov
  3. 3
    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
  4. 4
    Study of nutraceutical, nutricosmetics and cosmeceutical potentials of polyphenolic bark extracts from Canadian forest speciesdoi.org
  5. 5
    Anthocyanin-rich extract from Hibiscus sabdariffa calyx counteracts UVC-caused impairments in ratsncbi.nlm.nih.gov
  6. 6
    Hibiscus sabdariffa L. – A phytochemical and pharmacological reviewsciencedirect.com
ISNTREE Hyaluronic Acid Airy Sun Stick SPF 50 PA++++
ISNTREEHyaluronic Acid Airy Sun Stick SPF 50 PA++++
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