Isntree Hyaluronic Acid Airy Sun Stick SPF50+ PA++++ Ingredients Explained
Overview
What it is
Sunscreen with 49 ingredients that contains ceramides, exfoliants, hyaluronic acid, niacinamide, SPF and Vitamin C
Cool Features
It is cruelty-free
Suited For
It has ingredients that are good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
It doesn't contain any harsh alcohols, common allergens, parabens or sulfates
Fun facts
Isntree is from South Korea. This product is used in 84 routines created by our community.
We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.
Ingredient List (49)
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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Ingredient Info
Alcohol Free
This product is free of harsh alcohols 🎉
Contains Silicon
Ingredients in this product that are types of silicon:
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Not Reef Safe
Ingredients in this product that are not reef safe:
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
Ingredients Overview
Ingredients Explained
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterPolyethylene is a synthetic ingredient that helps the skin retain moisture. It is a polymer.
Polyethylene is also typically used within product formulations to help bind solid ingredients together and thicken oil-based ingredients. When added to balms and emulsions, it helps increase the melting point temperature.
We don't have a description for Propylheptyl Caprylate.
C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.
C12-15 Alkyl Benzoate is an emollient and texture enhancer. Due to its solubility, it is often used in sunscreens to help evenly distribute active ingredients.
As an emollient, C12-15 Alkyl Benzoate helps soften and hydrate your skin. Emollients create a film on your skin that traps moisture within.
This ingredient has been reported to cause eye irritation.
Learn more about C12-15 Alkyl BenzoateHomosalate is a chemical sunscreen filter that provides protection in the UV-B range (280nm - 320 nm), with a peak protection at 306 nm. It is internationally approved for use in sunscreens.
Homosalate is not photo-stable, meaning it's strength as a UV filter degrades over time with exposure to the sun. Because of this, it's often used in combination with other chemical sunscreen filters as avobenzone (which protects from the UV-A range). Homosalate also helps act as a solvent for harder-to-dissolve UV filters.
(Part of the reason that sunscreens need to be frequently re-applied is due to the photo instability of many chemical sunscreen filters)
Currently, homosalate is approved in concentrations up to 10% in the EU and 15% in the US. The FDA is currently doing further research on the effects of homosalate, and it is possible that these approved concentrations will change in the future.
Learn more about HomosalateSilica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.
Silica is often used for absorption and can help reduce shine when products are applied. Silica occurs in naturally in materials like clay and sandstone, and it can also be produced synthetically.
Silica is present naturally within the skin during collagen production and when reducing inflammation.
Learn more about SilicaEthylhexyl Methoxycinnamate is an organic compound that provides UVB protection. It often goes by the more common name of octinoxate. It is created from methoxycinnamic acid and 2-ethylhexanol.
Ethylhexyl Methoxycinnamate absorbs UVB rays with wavelengths between 280-320 nm. UV absorbers protect your skin by using chemical reactions to convert UV rays into heat and energy.
UVB (290-320 nm) rays emit more energy than UVA rays. They are capable of damaging DNA, causing sunburns and are thought to be linked to skin cancer.
The state of Hawaii has banned sunscreens containing octinoxate due to its potential impact on coral reefs. More research is needed to bridge gaps in this research. The European Union allows higher levels of octinoxate in sunscreens than the US and Australia.
Ethylhexyl Methoxycinnamate is oil soluble. It is not stable and may lose efficacy when exposed to sunlight.
Learn more about Ethylhexyl MethoxycinnamateWe don't have a description for Neopentyl Glycol Diheptanoate.
We don't have a description for Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer.
Ethylhexyl Salicylate is an organic compound used to block UV rays. It primarily absorbs UVB rays but offers a small amount of UVA protection as well.
Commonly found in sunscreens, Ethylhexyl Salicylate is created from salicylic acid and 2-ethylhexanol. You might know salicylic acid as the effective acne fighter ingredient and BHA.
The ethylhexanol in this ingredient is a fatty alcohol and helps hydrate your skin, similar to oils. It is an emollient, which means it traps moisture into the skin.
According to manufacturers, Ethylhexyl Salicylate absorbs UV wavelength of 295-315 nm, with a peak absorption at 307-310 nm. UVA rays are linked to long term skin damage, such as hyperpigmentation. UVB rays emit more energy and are capable of damaging our DNA. UVB rays cause sunburn.
Learn more about Ethylhexyl SalicylateButylene Glycol (or BG) is used within cosmetic products for a few different reasons:
- It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
- It is a humectant, which means that it helps attract moisture into the skin.
- It helps improve product application.
Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.
Synthetic Fluorphlogopite is the synthethic version of mica. It consists of fluorine, aluminum and silicate.
Synthetic Fluorphlogopite is used to add volume to products.
It is considered non-irritating on the skin.
Learn more about Synthetic FluorphlogopiteNiacinamide has emerged as an all-star ingredient due to its many benefits.
It is known to treat acne by reducing inflammation. It also helps fade dark-spots and strengthen the skin by promoting the growth of the ceramide barrier.
Other benefits include smoothing wrinkles and minimizing redness.
The cherry on top? Niacinamide can also help build keratin, a protein that keeps skin firm.
When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.
Niacinamide can be mixed with other ingredients to boost benefits. For instance, it has shown to be effective when used with copper, folic acid, and zinc to treat acne.
Learn more about NiacinamideDiethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) is a chemical UVA absorber. It is formulated for high UVA protection (320-400 nm) and photostability.
DHHB has been approved by the EU, Japan, Taiwan, and South America for use up to 10%.
UV absorbers are an agent that absorbs UV rays. They protect your skin by using chemical reactions to convert UV rays into heat and energy.
UV rays are a form of electromagnetic radiation from the sun. Other sources include tanning beds and welding torches. Radiation is the emission of energy. UV Rays are divided into 3 groups. UVA (320-400 nm) contains the least amount of energy. They are linked to long term skin damage such as wrinkles and hyperpigmentation. UVB (290-320 nm) rays emit more energy than UVA rays. They are capable of damaging DNA in skin cells. UVB causes sunburns and are thought to be linked to skin cancer. UVC (200-280 nm) contains the highest amount of energy. Our ozone blocks UVC. UVC can also originate from welding torches, mercury lamps, and sanitizing bulbs.
Learn more about Diethylamino Hydroxybenzoyl Hexyl BenzoateYou might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
Bemotrizinol has two peak UV absorption peaks ( 310 and 340 nm) and is able to absorb both UV-A and UV-B rays. Skin exposed to UV causes free-radical molecules to form. This ingredient works by preventing the UV from reaching your skin.
It is highly photostable and helps prevent the photodegration of other sunscreen ingredients such as avobenzone.
Bemotrizinol is not approved in the US but is allowed in the EU, Australia, and Asia.
In fact, it is the most effective UV absorber at maximum concentration (measured by SPF) permitted by in the EU.
It is oil-soluble.
Learn more about Bis-Ethylhexyloxyphenol Methoxyphenyl TriazineOzokerite is a naturally occuring mineral wax. In cosmetics, ozokerite is used as a texture enhancer.
Ceresin wax is derived from this ingredient.
The melting point of ozokerite is 58-100 C.
Ozokerite is found all over the world including Scotland, the US, and India.
Learn more about OzokeritePolyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate isn't fungal acne safe.
Pinus Pinaster Bark Extract is an antioxidant.
Bambusa Vulgaris Water comes from bamboo plant.
We don't have a description for Mesembryanthemum Crystallinum Extract.
This extract comes from the Roselle flower, or Hibiscus Sabdariffa. Roselle flowers are rich in antioxidants and have anti-aging benefits.
Studies found the antioxidants in Roselle flowers to potentially help reduce UV-B damage.
Ceramide NP is a type of ceramide.
Ceramides are intercellular lipids naturally found in our skin that bonds dead skin cells together to create a barrier. They are known for their ability to hold water and thus are a great ingredient for dry skin.
Ceramides are an important building block for our skin barrier. A stronger barrier helps the skin look more firm and hydrated. By bolstering the skin ceramides act as a barrier against irritating ingredients. This can help with inflammation as well.
If you would like to eat ceramides, sweet potatoes contain a small amount.
Read more about other common types of ceramides here: Ceramide AP Ceramide EOP
Learn more about Ceramide NPGlycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinOlea Europaea Fruit Oil is the fixed oil obtained from the ripe fruit of the Olive. In other words - olive oil.
The primary contents of olive oil are glycerides of the fatty acids linoleic, oleic and palmitic.
Olive oil also contains antioxidants such as Vitamin E. Antioxidants may help reduce signs of aging by fighting unstable free-radical molecules. It also contains Vitamins A (retinol), D, and K.
The squalene in olive oil makes it a great emollient. Emollients help soothe and soften your skin by trapping moisture in. This makes olive oil a great skin moisturizer.
Studies show olive oil to have antibacterial and antifungal properties in low concentrations. Another study found olive oil irritated sensitive oily skin. We always recommend speaking with a professional about using this ingredient in your routine.
Learn more about Olea Europaea Fruit OilLaminaria Japonica Extract comes from a kelp more commonly known as 'sweet kelp'. It is commonly eaten in Japan, Korea, and China.
Sweet kelp is a humectant and helps hydrate your skin. Humectants draw moisture from the air to your skin.
Studies show Laminaria Japonica has antioxidant compounds. Antioxidants may help with anti-aging. Kelp also contains magnesium and zinc, making it great for calming inflammation and redness.
Learn more about Laminaria Japonica ExtractWe don't have a description for Ulmus Davidiana Root Extract.
Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae.
You may know Aloe to be a good sunburn reliever and inflammation reducer. This is because it contains many components that are known to help reduce irritation and itchiness. These include vitamins, amino acids, polysaccharides, and more. The high water content of aloe also helps give a cooling effect.
Aloe contains the antioxidants Vitamins A, C, and E. These vitamins neutralize free radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.
The aloe plant is naturally abundant in polysaccharides, a carbohydrate made of sugar molecules. Polysaccharides help hydrate your skin by mimicking your skin's natural carbohydrates.
As it is easily absorbed by the skin, aloe is a great moisturizer. It is both a humectant and emollient. Emollients help trap moisture in your skin, keeping your skin soft. Humectants draw water from the air to your skin.
Other components of aloe include sugars such as monosaccharides and polysaccharides, folic acid, choline, many common minerals such as calcium, fatty acids, amino acids, and Vitamin B12.
Aloe does not protect against UV rays, despite it soothing sunburns.
There are over 420 species of aloe but Aloe Barbadensis is the most commonly used for topical products.
Learn more about Aloe Barbadensis Leaf ExtractViola Mandshurica Flower Extract is an antioxidant.
Dioscorea Japonica Root Extract comes from the Asian Mountain Yam. It contains antioxidant and anti-inflammatory properties.
Antioxidants help neutralize free-radical molecules. These molecules may damage your skin cells and DNA.
Polyglyceryl-2 Dipolyhydroxystearate isn't fungal acne safe.
Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.
Glyceryl Caprylate is used for its emollient and emulsifier properties.
As an emollient, it helps hydrate your skin. Emollients work by creating a barrier on your skin to trap moisture in, helping to keep your skin soft and smooth.
Glyceryl Caprylate helps keep the ingredients such as oil and water together as an emulsifier.
Learn more about Glyceryl CaprylateSorbitan Sesquioleate is derived from sorbitol and oleic acid. It is an emulsifier and prevents ingredients from separating.
Specifically, this ingredient is a water-in-oil emulsifier, meaning it helps water dissolve into oil.
Some studies suggest this ingredient may cause irritation in some people. If you are unsure, it is best to patch test.
This ingredient may not be Malassezia folliculitis, or fungal-acne safe.
Learn more about Sorbitan SesquioleateSodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateAdenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.
Adenosine has many benefits when used. These benefits include hydrating the skin, smoothing skin, and reducing wrinkles. Once applied, adenosine increases collagen production. It also helps with improving firmness and tissue repair.
Studies have found adenosine may also help with wound healing.
In skincare products, Adenosine is usually derived from yeast.
Learn more about AdenosineAstaxanthin is a carotene pigment and red pigment. It's what makes salmon a pink color.
Astaxanthin is an antioxidant and protects cells from free-radicals. Free-radicals are molecules that damage our cells.
Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.
This property also makes Pentylene Glycol a great texture enhancer. It can help thicken or emulsify a product. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.
Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.
Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.
Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.
Learn more about Pentylene GlycolSodium Acetylated Hyaluronate is a type of Hyaluronic Acid.
Hyaluronic Acids help moisturize, soothe, and protect the skin.
Read about common types of Hyaluronic Acid here: Sodium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid
Learn more about Sodium Acetylated HyaluronateSodium Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.
The structure of Sodium Hyaluronate Crosspolymer allows it to stay in the skin's top layer for a longer period of time. This allows for even more hydration and humectant action than hyaluronic acid.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium Hyaluronate CrosspolymerAscorbyl Propyl Hyaluronate is a form of Vitamin C. It can help to reduce redness, improve skin texture, reduce the effects of aging, and reduce the visibility of dark spots.
This form of hyaluronic acid is produced through fermentation.
According to a manufacturer, it has a positive charge by ionic binding to help moisturize and give hair a smooth feel. This is why you'll find this ingredient in shampoos and body washes.
This ingredient is created by putting sodium hyaluronate through hydrolysis.
You might know this as 'mini' or 'ultra low-molecular weight' hyaluronic acid. The small molecule size means it is able to travel deeper in the skin.
According to studies, low molecular-weight hyaluronic acid can:
One study from 2011 found ultra-low weight HA to show pro-inflammatory properties. Another study from 2022 found it to downregulate UV-B induced inflammation.
Hydrolysis is a process of changing a molecule using water or enzymes.
This ingredient is water-soluble.
Learn more about Hydrolyzed Sodium HyaluronateHydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.
Low molecular weight HA has been shown to hydrate and increase elasticity of the skin. Increasing elasticity is also associated with reduction of wrinkle depth.
One study found topical low molecular weight hyaluronic acid may be considered for the treatment of rosacea in the adult population. However, we always recommend speaking with a professional about your skin concerns.
Hyaluronic acids are a humectant. This means they draw moisture from the air. Hyaluronic acids help moisturize, soothe, and protect the skin.
Read more about other common forms of hyaluronic acid:
Learn more about Hydrolyzed Hyaluronic AcidHyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.
Hyaluronic Acid has the capacity to bind to large amounts of water. This ingredient helps hydrate, soothe, and protect the skin.
Fun fact: It is already naturally found in our bodies, such as the fluids of our eyes and our joints.
Studies find this ingredient to have anti-inflammatory and anti-microbial properties. This can help speed up wound-healing,
These are some other common types of Hyaluronic Acid:
Learn more about Hyaluronic AcidTriethoxycaprylylsilane is a silicone used to bind and stabilize ingredients.
As an emulsifier, it helps prevent ingredients from separating. This can help elongate the shelf life of products.
Triethoxycaprylylsilane is often used to coat mineral sunscreens ingredients to help give a better feel. It also helps reduce oxidative stress in sunscreens.
Learn more about TriethoxycaprylylsilaneCaprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.
Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.
This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.
Learn more about Caprylyl GlycolEthylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.
1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.
In products that are water-based, this ingredient can help stabilize perfumes and fragrances. It can also help make the texture of products softer and more smooth.
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Here's what our community thinks of the 49 ingredients in this product ✨
When to use
We've created a guide with info on when you should use Isntree Hyaluronic Acid Airy Sun Stick SPF50+ PA++++. We've also included some recommended products to use it with, as well as some routine inspiration!
Read our guide on when to use Hyaluronic Acid Airy Sun Stick SPF50+ PA++++ ->We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.
The data we've presented on this page has been verified by a member of the SkinSort Team.
Read more about usLatest Reviews
View all 78/10
I really like this sunstick, and it has really good protection. The only flaw to this is that it has makeup transfer. And I wouldn't recommend this as a makeup base, since it made my makeup peel. This sun stick is really good for no...
8/10
I really like this sunstick, and it has really good protection. The only flaw to this is that it has makeup transfer. And I wouldn't recommend this as a makeup base, since it made my makeup peel. This sun stick is really good for no makeup days. But overall, I really like this sun stick and doesn't make me breakout at all.
Broke me out :(
I heard a lot of positive feedback about this product, and I was excited to try it out but sadly, like all other sunsticks, it broke me out terribly :( I do love to use it on my hands, tattoos, and shoulders while cycling...
Broke me out :(
I heard a lot of positive feedback about this product, and I was excited to try it out but sadly, like all other sunsticks, it broke me out terribly :( I do love to use it on my hands, tattoos, and shoulders while cycling or walking out in the sun all day.
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