Biore UV Aqua Rich Watery Essence SPF 50+ PA++++ Versus ISEHAN Kiss Me Sunkiller Perfect Water Essence SPF 50+ PA++++
What's inside
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningAlcohol
AntimicrobialEthylhexyl Methoxycinnamate
UV AbsorberEthylhexyl Triazone
UV AbsorberIsopropyl Palmitate
EmollientLauryl Methacrylate/Sodium Methacrylate Crosspolymer
Diethylamino Hydroxybenzoyl Hexyl Benzoate
UV FilterHydrogenated Polyisobutene
EmollientBis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin ConditioningDextrin Palmitate
EmulsifyingButylene Glycol
HumectantXylitol
HumectantAcrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion StabilisingDimethicone
EmollientC12-15 Alkyl Benzoate
AntimicrobialGlycerin
HumectantGlyceryl Stearate
EmollientPropanediol
SolventGlyceryl Behenate
EmollientVinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
Cetearyl Alcohol
EmollientAgar
MaskingSorbitan Distearate
EmollientIsoceteth-20
EmulsifyingPolyvinyl Alcohol
Dimethicone/Vinyl Dimethicone Crosspolymer
Skin ConditioningStearoyl Glutamic Acid
CleansingArginine
MaskingPotassium Hydroxide
BufferingSodium Hydroxide
BufferingRoyal Jelly Extract
Skin ConditioningSodium Hyaluronate
HumectantPhenoxyethanol
PreservativeDisodium EDTA
BHT
AntioxidantParfum
MaskingWater, Alcohol, Ethylhexyl Methoxycinnamate, Ethylhexyl Triazone, Isopropyl Palmitate, Lauryl Methacrylate/Sodium Methacrylate Crosspolymer, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Hydrogenated Polyisobutene, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Dextrin Palmitate, Butylene Glycol, Xylitol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Dimethicone, C12-15 Alkyl Benzoate, Glycerin, Glyceryl Stearate, Propanediol, Glyceryl Behenate, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Cetearyl Alcohol, Agar, Sorbitan Distearate, Isoceteth-20, Polyvinyl Alcohol, Dimethicone/Vinyl Dimethicone Crosspolymer, Stearoyl Glutamic Acid, Arginine, Potassium Hydroxide, Sodium Hydroxide, Royal Jelly Extract, Sodium Hyaluronate, Phenoxyethanol, Disodium EDTA, BHT, Parfum
Water
Skin ConditioningMethoxycinnamic Acid
StabilisingDiethylamino Hydroxybenzoyl Hexyl Benzoate
UV FilterPentylene Glycol
Skin ConditioningSodium Acetylated Hyaluronate
HumectantSodium Hyaluronate
HumectantHydrolyzed Hyaluronic Acid
HumectantAorta Extract
Skin ConditioningAloe Barbadensis Leaf Extract
EmollientRoyal Jelly Extract
Skin ConditioningIsononyl Isononanoate
EmollientBis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin ConditioningAcrylamide/Sodium Acryloyldimethyltaurate/Acrylic Acid Copolymer
Titanium Dioxide
Cosmetic ColorantIsohexadecane
EmollientSuccinic Acid
BufferingButylene Glycol
HumectantEthylhexylglycerin
Skin ConditioningPolysorbate 80
EmulsifyingLysine Lauroyl Glutamate
CleansingAluminum Hydroxide
EmollientStearic Acid
CleansingXanthan Gum
EmulsifyingSorbitan Oleate
EmulsifyingPhenoxyethanol
PreservativeParfum
MaskingAmmonium Acryloyldimethyltaurate/Vp Copolymer
BHT
AntioxidantT-Butyl Alcohol
PerfumingWater, Methoxycinnamic Acid, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Pentylene Glycol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Aorta Extract, Aloe Barbadensis Leaf Extract, Royal Jelly Extract, Isononyl Isononanoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Acrylamide/Sodium Acryloyldimethyltaurate/Acrylic Acid Copolymer, Titanium Dioxide, Isohexadecane, Succinic Acid, Butylene Glycol, Ethylhexylglycerin, Polysorbate 80, Lysine Lauroyl Glutamate, Aluminum Hydroxide, Stearic Acid, Xanthan Gum, Sorbitan Oleate, Phenoxyethanol, Parfum, Ammonium Acryloyldimethyltaurate/Vp Copolymer, BHT, T-Butyl Alcohol
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
BHT is a synthetic antioxidant and preservative.
As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.
As a preservative, it is used to stabilize products and prevent them from degrading. Specifically, BHT prevents degradation from oxidation.
The concerns related to BHT come from oral studies; this ingredient is currently allowed for use by both the FDA and EU.
However, it was recently restricted for use in the UK as of April 2024.
Learn more about BHTThis ingredient is better known as bemotrizinol or Tinosorb S and is one of the best broad-spectrum UV filters in modern sunscreen.
It works by absorbing UV light across a whole range (280-400 nm) with peaks around 310 nm (UVB) and 340-345 nm (UVA). This means it covers UVB plus the deeper UVA wavelengths that drive photoaging and pigmentation.
Another pro?
It's exceptionally photostable, barely degrades in sunlight, and acts as a "bodyguard" for less stable filters.
That's why you'll see it paired with avobenzone or octinoxate; this team up ensures they keep working through sun exposure.
Safety reviews have been reassuring across the board. This ingredient shows low absorption through the skin, rarely irritates, and lab studies found it doesn't act like a hormone in the body (a concern that's been raised about some older sunscreen filters).
On maximum concentrations:
In 2026, the US F.D.A finally added it as an OTC sunscreen ingredient at concentrations up to 6% for adults / children 6 months and older
Learn more about Bis-Ethylhexyloxyphenol Methoxyphenyl TriazineButylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Learn more about Butylene GlycolDiethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) is a chemical UV-A absorber. It is formulated for high UVA protection (320-400 nm).
DHHB is well-liked for:
DHHB has been approved by the EU, Japan, Taiwan, and South America for use up to 10%. Unfortunately, it has not been approved for use in the US or Canada due to slow regulatory processes.
This ingredient is soluble in oils, fats, and lipids.
Learn more about Diethylamino Hydroxybenzoyl Hexyl BenzoateParfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture.
For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad labeling category of “FRAGRANCE” or “PARFUM” according to EU and US regulations.
The term 'parfum' or 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term.
For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance by INCI standards.
One example is Calendula flower extract. Calendula is an essential oil that still imparts a scent or 'fragrance'.
Depending on the blend, the ingredients in the mixture can cause allergies and sensitivities on the skin. Some ingredients that are known EU allergens include linalool and citronellol.
Parfum can also be used to mask or cover an unpleasant scent.
The bottom line is: not all fragrances/parfum/ingredients are created equally. If you are worried about fragrances, we recommend taking a closer look at an ingredient. And of course, we always recommend speaking with a professional.
Learn more about ParfumPhenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).
It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.
On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.
Another perk of this ingredient is that it stays functional across a wide pH range (3-10).
You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.
Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.
Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.
Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.
Learn more about PhenoxyethanolRoyal Jelly Extract comes from a secretion made by worker honeybees. This secretion is white and described as creamy.
This compound has antibacterial, anti-aging, and anti-inflammatory properties.
Studies show Royal Jelly to contain amino acids, fatty acids, and a variety of vitamins, including Vitamin Bs. Many of these components are antioxidants, which help with anti-aging. The fatty acids in Royal Jelly make it a hydrating ingredient.
Several animal studies show Royal Jelly to boost collagen production and reduce inflammation.
The Vitamin Bs found in Royal Jelly include:
Royal Jelly is derived from honeybees. This means it is not vegan.
Learn more about Royal Jelly ExtractSodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.
In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.
Interestingly, the size of the molecule affects its behavior:
Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.
Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.
You'll typically see concentrations between 0.1-2% for this ingredient.
Learn more about Sodium HyaluronateWater. 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. If you see this, drink a glass of water. Remember to stay hydrated!
Learn more about Water