Isntree
Hyaluronic Acid Airy Sun Stick SPF50+ PA++++
face body sunscreen
Isntree
face body sunscreen
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General, ingredient-based — not your personalized match.
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Take the skin testThe Isntree Hyaluronic Acid Airy Sun Stick SPF50 is a light sunscreen that provides excellent protection against environmental irritation. Its soothing natural extracts and functional ingredients block UV rays and maintain elasticity of the skin.
Hyaluronic Acid Airy Sun Stick SPF50+ PA++++ is a lightweight sunscreen from Isntree. It is rated SPF 50+ PA++++, meaning it is tested to the top of both the UVB and the UVA scales used in Asia. Its job is UV protection, with the rest of the formula working on hydration and soothing. The ingredient list runs to 49 ingredients, each broken down in full below.
By its ingredient list the formula reads as light: water and humectants lead, with emollients kept lower in the order. It contains both silicones and oils, a combination that usually finishes smooth and slightly satin and sits well under makeup. Hydration is handled by Butylene Glycol, Glycerin and Sodium Hyaluronate, humectants that pull water into the upper layers of skin rather than sealing it there.
It is a chemical (organic-filter) sunscreen, using Homosalate, Octinoxate, Octisalate, Uvinul A Plus and Tinosorb S. Between them those filters cover UVB, UVA II and UVA I, so the formula is broad-spectrum in the meaningful sense: it reaches past 340 nm, where the ageing wavelengths sit. The formula contains a photounstable filter alongside a stabiliser, which is the standard and effective way to keep it from degrading in sunlight.
Hydration: High. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Butylene Glycol, Glycerin, Sodium Hyaluronate and Sodium Acetylated Hyaluronate.
Soothing: High. Ingredients aimed at visible redness and reactivity, and here that comes from C12-15 Alkyl Benzoate, Neopentyl Glycol Diheptanoate, Diethylamino Hydroxybenzoyl Hexyl Benzoate and Niacinamide.
On richness alone it suits Balanced skin best, and is the least natural fit for Dry and Combination (dry) skin. Nothing in the list is flagged as a common irritant, which is a reasonable starting point for reactive skin — though a patch test is still the only way to know.
The formula contributes little or nothing on cell renewal and firmness signalling. That is not a fault — most products are not meant to do everything — but if one of those is your priority, this is not the product that will address it.
Reading the full list, the formula is fragrance-free, essential-oil-free, no drying alcohol, paraben-free, sulfate-free and dye-free. Those claims come from the ingredient list itself, not from the packaging.
Use it in the morning. In a routine it goes final morning step, before makeup. Apply about two finger-lengths for the face and neck — under-application is the single most common reason sunscreen underperforms. Reapply every two hours of sun exposure, and after swimming or towelling off. Let it set for a couple of minutes before makeup so it does not pill.
This summary is generated from the product's ingredient list. It is not a review, it is not the brand's own marketing claims, and it does not replace advice from a dermatologist.
Drawn purely from the ingredient list
Scored on how rich or light the formula reads from its INCI order.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Based on the curated benefits documented for this product's ingredients.
Attracts and locks in moisture to keep skin plump and dewy
Boosts collagen and cell turnover to reduce fine lines and wrinkles
Calms redness, irritation, and inflammation for sensitive skin
Regulates sebum production to reduce shine and greasiness
Tightens and refines the look of enlarged pores
None of the ingredients in this formula are associated with these benefits. This is not unusual, as most products are designed to target a limited number of concerns.
Chemical (organic) filter system · broad-spectrum through UVA I
Another solvent-filter: modest UVB coverage, mostly there to carry other filters.
Efficient UVB absorber that degrades in sunlight on its own, and destabilises avobenzone when the two are formulated together without a quencher.
A weak filter used mainly as a solvent — it dissolves the crystalline filters (avobenzone, oxybenzone) so they can be formulated at all.
A photostable replacement for avobenzone: it peaks at 354 nm, deep in UVA I, and does not need a stabiliser to survive the day.
One of the most photostable filters in use, and it stabilises avobenzone and octinoxate alongside it. Oil-soluble, cosmetically light, no white cast.
The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
3rd on the list, which puts it at an estimated 5–20% of the formula.
4th on the list, which puts it at an estimated 2–10% of the formula.
Benzoic acid, C12-15 alkyl esters
5th on the list. Regulation caps it at 7.34%, so it is present at roughly 2–7.34%.
Benzoic acid, 2-hydroxy-, 3,3,5-trimethylcyclohexyl ester
6th on the list, which puts it at an estimated 2–10% of the formula.
Silicon dioxide
7th on the list, which puts it at an estimated 1–5% of the formula.
2-Ethylhexyl 4-methoxycinnamate
8th on the list, which puts it at an estimated 1–5% of the formula.
2,2-Dimethyl-1,3-propanediyl diheptanoate
10th on the list, which puts it at an estimated 1–5% of the formula.
2-Ethylhexyl salicylate
11th on the list, which puts it at an estimated 1–3% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
13th on the list, which puts it at an estimated 1–3% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
14th on the list, which puts it at an estimated 1–3% of the formula.
Benzoic Acid, 2-[4-(Diethylamino)-2-Hydroxybenzoyl]-, Hexyl Ester
16th on the list, which puts it at an estimated 1–3% of the formula.
2,2'-[6-(4-Methoxyphenyl)-1,3,5-triazine-2,4-diyl]bis[5-[(2-ethylhexyl)oxy]-phenol]
Each axis is scored from the ingredients present and how high up the list they sit.
Ingredients that pull and hold water in the upper layers of skin
Lipids and repair signals that support skin barrier integrity
Ingredients that mop up free radicals from UV and pollution
Ingredients that moderate sebum or absorb shine
Ingredients that act on uneven tone and post-inflammatory marks
Ingredients aimed at visible redness and reactivity
Retinoids, acids and enzymes that speed surface turnover
Peptides and growth factors that signal for collagen support
A photounstable filter is present, paired with a stabiliser
"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.
Solvents, emollients, texture agents and preservatives — the formula that carries the actives.
Read from the full ingredient list. A brand's own claim may differ.
Vinyl Dimethicone/methicone Silsesquioxane Crosspolymer, Vinyl Dimethicone
Vinyl Dimethicone/methicone Silsesquioxane Crosspolymer, Polyurethane-11
Olea Europaea Fruit Oil
Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.
Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.
This product is the "Protect" step.
Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.
Most ingredients do more than one job, so these counts add up to more than the 49 ingredients on the label.
Sets the thickness, spread and stability of the formula
Draws water into the upper layers of skin
Botanical material, usually for antioxidants or scent
Changes how skin behaves rather than how it feels
Softens and smooths by filling gaps between skin cells
Forms a film that slows water loss
Dissolves and carries everything else
Absorbs or scatters ultraviolet light
Lifts oil and dirt, or holds oil and water together
Neutralises free radicals from UV and pollution
Loosens or dissolves dead surface cells
Keeps the product free of microbial growth
Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Homopolymer of ethylene monomers
3rd on the list, which puts it at an estimated 5–20% of the formula.
4th on the list, which puts it at an estimated 2–10% of the formula.
Benzoic acid, C12-15 alkyl esters
5th on the list. Regulation caps it at 7.34%, so it is present at roughly 2–7.34%.
Benzoic acid, 2-hydroxy-, 3,3,5-trimethylcyclohexyl ester
6th on the list, which puts it at an estimated 2–10% of the formula.
Silicon dioxide
7th on the list, which puts it at an estimated 1–5% of the formula.
2-Ethylhexyl 4-methoxycinnamate
8th on the list, which puts it at an estimated 1–5% of the formula.
2,2-Dimethyl-1,3-propanediyl diheptanoate
9th on the list, which puts it at an estimated 1–5% of the formula.
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
10th on the list, which puts it at an estimated 1–5% of the formula.
2-Ethylhexyl salicylate
11th on the list, which puts it at an estimated 1–3% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
12th on the list, which puts it at an estimated 1–3% of the formula.
Fluorphlogopite, Mg3K[AlF2O(SiO3)3] (synthetic)
13th on the list, which puts it at an estimated 1–3% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
14th on the list, which puts it at an estimated 1–3% of the formula.
Benzoic Acid, 2-[4-(Diethylamino)-2-Hydroxybenzoyl]-, Hexyl Ester
15th on the list, which puts it at an estimated 1–3% of the formula.
Silicones and siloxanes, dimethyl, ethenyl methyl, ethenyldimethylsilyl terminated
16th on the list, which puts it at an estimated 1–3% of the formula.
2,2'-[6-(4-Methoxyphenyl)-1,3,5-triazine-2,4-diyl]bis[5-[(2-ethylhexyl)oxy]-phenol]
17th on the list, which puts it at an estimated 1–3% of the formula.
Hydrocarbon waxes (petroleum), chemically neutralized. A complex combination of hydrocarbons produced by a treating process to remove acidic materials. It consists predominantly of saturated straight chain hydrocarbons having carbon numbers predominantly in the range of C20 through C50
18th on the list, which puts it at an estimated 1–3% of the formula.
Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate is a diester of a mixture of isostearic, polyhydroxystearic and sebacic acids with Polyglycerin-4
19th on the list, which puts it at an estimated 1–3% of the formula.
Pinus Pinaster Bark Extract is the extract of the bark of the Maritime Pine, Pinus pinaster, Pinaceae
20th on the list, which puts it at an estimated 1–3% of the formula.
Bambusa Vulgaris Water is an aqueous solution of the stem of distillate obtained from the Bamboo, Bambusa vulgaris, Poaceaea
21st on the list, which puts it at an estimated 1–3% of the formula.
Mesembryanthemum Crystallinum Extract is the extract of the whole plant, Mesembryanthemum crystallinum L., Aizoaceae
22nd on the list, which puts it at an estimated 1–3% of the formula.
Hibiscus Sabdariffa Flower Extract is an extract of the flowers of the Red Sorrel, Hibiscus sabdariffa L., Malvaceae
23rd on the list, which puts it at an estimated 1–3% of the formula.
Ceramide NP,1,3,4-Octadecanetriol, 2-Octadecanamide,Stearoyl-C18-Phytosphingosine,Stearoyl-4-Hydroxysphinganine
24th on the list, which puts it at an estimated 1–3% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
25th on the list, which puts it at an estimated 1–3% of the formula.
Olea Europaea Fruit Oil is the fixed oil obtained from the ripe fruit of the Olive, Olea europaea L., Oleaceae. It consists primarily of the glycerides of the fatty acids linoleic, oleic and palmitic
26th on the list, which puts it at an estimated 1–3% of the formula.
Laminaria Japonica Extract is an extract of the Japan Kelp/Seaweed, Laminaria japonica, Laminariaceae
27th on the list, which puts it at an estimated 1–3% of the formula.
Ulmus Davidiana Root Extract is an extract of the root bark of the Elm, Ulmus davidiana, Ulmaceae
28th on the list, which puts it at an estimated 1–3% of the formula.
Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae
29th on the list, which puts it at an estimated 1–3% of the formula.
Viola Mandshurica Flower Extract is the extract obtained from the flowers of the plant Manchuria Violet, Viola mandshurica, Violaceae
30th on the list, which puts it at an estimated 1–3% of the formula.
Dioscorea Japonica Root Extract is an extract of the roots of Dioscorea japonica, Dioscoreaceae
31st on the list, which puts it at an estimated 1–3% of the formula.
Octadecanoic acid, 12-hydroxy-, homopolymer, ester with oxybis(propanediol)
32nd on the list, which puts it at an estimated 1–3% of the formula.
Adipic acid, 1,4-butanediol, isophthalic acid, methylene bis-(4-cyclohexylisocyanate), neopentyl glycol and trimethylolpropane copolymer
33rd on the list, which puts it at an estimated 1–3% of the formula.
Octanoic acid, monoester with glycerol
34th on the list, which puts it at an estimated 1–3% of the formula.
Sorbitan, (Z)-9-octadecenoate (2:3)
35th on the list, which puts it at an estimated 1–3% of the formula.
Hyaluronic acid, sodium, salt
36th on the list, which puts it at an estimated 1–3% of the formula.
6-Amino-9-beta-D-ribofuranosyl-9H-purine
37th on the list, which puts it at an estimated 1–3% of the formula.
3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione
38th on the list, which puts it at an estimated 1–3% of the formula.
1,2-Dihydroxypentane
39th on the list, which puts it at an estimated 1–3% of the formula.
Sodium Acetylhyaluronate
40th on the list, which puts it at an estimated 1–3% of the formula.
Hyaluronic acid, sodium salt, polymer with 1,1'-sulfonylbis[ethene]
41st on the list, which puts it at an estimated 1–3% of the formula.
42nd on the list, which puts it at an estimated 1–3% of the formula.
Hyaluronic acid, 2-hydroxy-3-(N,N,N-trimethylammonio)propyl chloride derivatives
43rd on the list, which puts it at an estimated 1–3% of the formula.
Hydrolyzed Sodium Hyaluronate is the hydrolysate of Sodium Hyaluronate derived by acid, enzyme or other method of hydrolysis
44th on the list, which puts it at an estimated 1–3% of the formula.
Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis
45th on the list, which puts it at an estimated 1–3% of the formula.
Hyaluronic acid
46th on the list, which puts it at an estimated 1–3% of the formula.
Silane, triethoxyoctyl-
47th on the list, which puts it at an estimated 1–3% of the formula.
Octane-1,2-diol
48th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2-Propanediol, 3-(2-ethylhexyloxy)
49th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Products in the same category that share this formula's distinguishing ingredients.
Isntree
Shares 13 key ingredients with Hyaluronic Acid Airy Sun Stick SPF50+ PA++++: Water, Butylene Glycol, Ethylhexyl Salicylate, Homosalate, Niacinamide
Isntree
Shares 11 key ingredients with Hyaluronic Acid Airy Sun Stick SPF50+ PA++++: Water, Homosalate, Ethylhexyl Salicylate, Butylene Glycol, Niacinamide
Torriden
Shares 10 key ingredients with Hyaluronic Acid Airy Sun Stick SPF50+ PA++++: Water, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Niacinamide, Silica, Sodium Hyaluronate
innisfree
Shares 10 key ingredients with Hyaluronic Acid Airy Sun Stick SPF50+ PA++++: Propylheptyl Caprylate, Silica, Sodium Hyaluronate, Ceramide NP, Niacinamide
Aestura
Shares 10 key ingredients with Hyaluronic Acid Airy Sun Stick SPF50+ PA++++: Water, Butylene Glycol, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Homosalate, Ethylhexyl Salicylate
Dr. Ceuracle
Shares 10 key ingredients with Hyaluronic Acid Airy Sun Stick SPF50+ PA++++: Water, Niacinamide, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Bis-ethylhexyloxyphenol Methoxyphenyl Triazine, Sodium Hyaluronate
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.
NIACINAMIDE, CERAMIDE NP, SODIUM HYALURONATE, SODIUM ACETYLATED HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED HYALURONIC ACID, HYALURONIC ACID.
Apply the stick directly onto your face or body, focusing on areas exposed to the sun. Apply 30 minutes to sun exposed areas of the face/body before going out in the sun. Reapply every two hours for the perfect sun protection during the day
Judged on how rich the formula reads from its ingredient list, it suits Balanced skin best. It is the least natural fit for Dry, Combination (dry) skin.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
6 ingredients could feed malassezia: Propylheptyl Caprylate, Polyglyceryl-4 Diisostearate/polyhydroxystearate/sebacate, Olea Europaea Fruit Oil, Polyglyceryl-2 Dipolyhydroxystearate, Glyceryl Caprylate, Sorbitan Sesquioleate. That describes the yeast's food supply, not a prediction that they will cause a breakout.
Nothing in this formula is on the standard pregnancy-caution list. That is not medical clearance — check anything you use daily with your doctor or midwife.
Yes. Reading the full ingredient list, this formula is fragrance-free.
No. Reading the full ingredient list, this formula is no drying alcohol.
No — it contains Vinyl Dimethicone/methicone Silsesquioxane Crosspolymer, Vinyl Dimethicone.
No. Reading the full ingredient list, this formula is essential-oil-free.
Yes. Reading the full ingredient list, this formula is paraben-free.
It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.
Use it in the morning, final morning step, before makeup.
It lists 49 ingredients, of which 12 are recorded as actives.
Isntree.
It filters UV with Homosalate (homosalate), Octinoxate (ethylhexyl methoxycinnamate), Octisalate (ethylhexyl salicylate), Uvinul A Plus (diethylamino hydroxybenzoyl hexyl benzoate), Tinosorb S (bis-ethylhexyloxyphenol methoxyphenyl triazine).
Yes. Its filters cover UVB, UVA II and UVA I, so protection reaches past 340 nm into the deep-UVA range associated with ageing and pigmentation.
Unlikely. It filters with organic (chemical) filters only, which dissolve into the formula rather than sitting on the surface, so they do not leave a white cast.
It contains Octinoxate, which are named in the Hawaii and Key West reef legislation. Some destinations restrict sunscreens containing them.
Yes. Let it set for a couple of minutes before foundation so it does not pill, and reapply over makeup with a stick or powder rather than rubbing more in.
Every two hours of sun exposure, and immediately after swimming, sweating heavily or towelling off.
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