ISDIN Eryfotona AK-NMSC SPF 100+ Fluid Versus Eucerin Sun Actinic Control SPF100
Updated on May 26, 2025
Overview
What they are
These products are both sunscreens. They have a total of 11 ingredients in common
Cool Features
They both contain exfoliants and SPF
Suited For
They're both likely to be good for dry skin, brightening skin and scar healing
Free From
They both do not contain any common allergens, parabens or sulfates
What's Inside
They both contain harsh alcohols and silicones
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
ISDIN Eryfotona AK-NMSC SPF 100+ Fluid 33 ingredients
Eucerin Sun Actinic Control SPF100 31 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
ISDIN Eryfotona AK-NMSC SPF 100+ Fluid 33 ingredients
Eucerin Sun Actinic Control SPF100 31 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningDibutyl Adipate
EmollientOctocrylene
UV Absorber
Cyclopentasiloxane
Emollient
Dicaprylyl Carbonate
EmollientAlcohol Denat.
Antimicrobial
Titanium Dioxide
Cosmetic Colorant
Butyl Methoxydibenzoylmethane
UV Absorber
Cyclohexasiloxane
Emollient
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin Conditioning
Butylene Glycol
Humectant
PEG-30 Dipolyhydroxystearate
Emulsifying
Nylon-12
Dimethicone
Emollient
PEG-10 Dimethicone
Skin Conditioning
Sodium Chloride
Masking
Phenoxyethanol
Preservative
Silica
Abrasive
Disteardimonium Hectorite
StabilisingTocopheryl Acetate
Antioxidant
Glyceryl Stearate
Emollient
Parfum
Masking
Bisabolol
Masking
Disodium EDTA
Ethylhexylglycerin
Skin ConditioningPanthenol
Skin Conditioning
PEG-8
HumectantTocopherol
Antioxidant
Lecithin
Emollient
Plankton Extract
Skin ConditioningAscorbyl Palmitate
Antioxidant
Ascorbic Acid
Antioxidant
Citric Acid
Buffering
Water, Dibutyl Adipate, Octocrylene, Cyclopentasiloxane, Dicaprylyl Carbonate, Alcohol Denat., Titanium Dioxide, Butyl Methoxydibenzoylmethane, Cyclohexasiloxane, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Butylene Glycol, PEG-30 Dipolyhydroxystearate, Nylon-12, Dimethicone, PEG-10 Dimethicone, Sodium Chloride, Phenoxyethanol, Silica, Disteardimonium Hectorite, Tocopheryl Acetate, Glyceryl Stearate, Parfum, Bisabolol, Disodium EDTA, Ethylhexylglycerin, Panthenol, PEG-8, Tocopherol, Lecithin, Plankton Extract, Ascorbyl Palmitate, Ascorbic Acid, Citric Acid
Water
Skin ConditioningAlcohol Denat.
Antimicrobial
Butylene Glycol Dicaprylate/Dicaprate
EmollientButyl Methoxydibenzoylmethane
UV Absorber
Ethylhexyl Salicylate
UV Absorber
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin Conditioning
Diethylamino Hydroxybenzoyl Hexyl Benzoate
UV Filter
Dibutyl Adipate
EmollientDistarch Phosphate
AbsorbentEthylhexyl Triazone
UV Absorber
Homosalate
Skin Conditioning
C12-15 Alkyl Benzoate
AntimicrobialPhenylbenzimidazole Sulfonic Acid
UV Absorber
Titanium Dioxide
Cosmetic Colorant
Silica Dimethyl Silylate
EmollientGlyceryl Stearate
Emollient
Hydrogenated Rapeseed Oil
Emollient
Stearyl Alcohol
Emollient
Glycerin
Humectant
Xanthan Gum
EmulsifyingSodium Stearoyl Glutamate
CleansingSilica
Abrasive
Chondrus Crispus Extract
Skin Conditioning
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion StabilisingDimethicone
Emollient
Sodium Chloride
Masking
Phenoxyethanol
Preservative
1,2-Hexanediol
Skin Conditioning
Pentylene Glycol
Skin ConditioningSodium Hydroxide
BufferingEDTA
Water, Alcohol Denat., Butylene Glycol Dicaprylate/Dicaprate, Butyl Methoxydibenzoylmethane, Ethylhexyl Salicylate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Dibutyl Adipate, Distarch Phosphate, Ethylhexyl Triazone, Homosalate, C12-15 Alkyl Benzoate, Phenylbenzimidazole Sulfonic Acid, Titanium Dioxide, Silica Dimethyl Silylate, Glyceryl Stearate, Hydrogenated Rapeseed Oil, Stearyl Alcohol, Glycerin, Xanthan Gum, Sodium Stearoyl Glutamate, Silica, Chondrus Crispus Extract, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Dimethicone, Sodium Chloride, Phenoxyethanol, 1,2-Hexanediol, Pentylene Glycol, Sodium Hydroxide, EDTA
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.
This ingredient gets a bad rep because it is irritating and drying - mostly due to its astringent property. Astringents draw out natural oils in tissue, constricting pores and leaving your skin dried out.
However, alcohol denat. is not all that bad.
Due to its low molecular weight, alcohol denat. tends to evaporate quickly. One study on pig skin found half of applied alcohol evaporated in 10 seconds and less than 3% stayed on skin.
This also helps other ingredients become better absorbed upon application.
Studies are conflicted about whether this ingredient causes skin dehydration. One study from 2005 found adding emollients to propanol-based sanitizer decreased skin dryness and irritation. Another study found irritation only occurs if your skin is already damaged.
Small amounts of alcohol are generally tolerated by oily skin or people who live in humid environments.
The rule of thumb is if this alcohol is near the end of an ingredients list, it will probably not affect your skin much.
Also...
This ingredient has antimicrobial and solvent properties.
The antimicrobial property helps preserve products and increase their shelf life. As a solvent, it helps dissolve other ingredients.
Other types of astringent alcohols include:
Learn more about Alcohol Denat.You might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
This ingredient has two peak UV absorption peaks ( 310 and 340 nm) and is able to absorb both UV-A and UV-B rays. This ingredient works by preventing UV rays from reaching and damaging your skin.
On top of that - it is highly photostable and helps prevent the photodegration of other sunscreen ingredients such as avobenzone.
Tinosorb S is allowed in the EU, Australia, and Asia. It is close to being approved by the FDA and we'll hopefully get this ingredient in the U.S. by late 2025.
Fun fact: Tinosorb S is the most effective UV absorber at maximum concentration (measured by SPF) permitted in the EU.
This ingredient is oil-soluble, so your oil-cleansers will take this right off at night.
Learn more about Bis-Ethylhexyloxyphenol Methoxyphenyl TriazineAlso known as Avobenzone, this ingredient is a chemical sunscreen filter that provides protection in the UV-A range.
Avobenzone is globally approved and is the most commonly used UV-A filter in the world.
Studies have found that avobenzone becomes ineffective when exposed to UV light (it is not photostable; meaning that it breaks down in sunlight). Because of this, formulations that include avobenzone will usually contain stabilizers such as octocrylene.
However, some modern formulations (looking at you, EU!) are able to stabilize avobenzone by coating the molecules.
Avobenzone does not protect against the UV-B range, so it's important to check that the sunscreen you're using contains other UV filters that do!
The highest concentration of avobenzone permitted is 3% in the US, and 5% in the EU.
Learn more about Butyl MethoxydibenzoylmethaneDibutyl Adipate is an emollient and solvent. It is created from butyl alcohol and adipic acid.
As a solvent, Dibutyl Adipate helps mix and disperse ingredients evenly.
Dibutyl Adipate is soluble in water and organic solvents. It does not absorb UV rays.
Learn more about Dibutyl AdipateDimethicone is a type of synthetic silicone created from natural materials such as quartz.
What it does:
Dimethicone comes in different viscosities:
Depending on the viscosity, dimethicone has different properties.
Ingredients lists don't always show which type is used, so we recommend reaching out to the brand if you have questions about the viscosity.
This ingredient is unlikely to cause irritation because it does not get absorbed into skin. However, people with silicone allergies should be careful about using this ingredient.
Note: Dimethicone may contribute to pilling. This is because it is not oil or water soluble, so pilling may occur when layered with products. When mixed with heavy oils in a formula, the outcome is also quite greasy.
Learn more about DimethiconeGlyceryl Stearate is a mix of glycerin and stearic acid.
It is used to stabilize the mixing of water and oil ingredients. By preventing these ingredients from separating, it can help elongate shelf life. It can also help thicken the product's texture.
As an emollient, it helps soften skin and supports barrier-replenishing ingredients.
In cosmetics, Glyceryl Stearate is often made from vegetable oils or synthetically produced.
This ingredient may not be fungal-acne safe
Fun fact: The human body also creates Glyceryl Stearate naturally.
Learn more about Glyceryl StearatePhenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
Silica 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 SilicaChances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.
This ingredient has many purposes in skincare: thickener, emulsifier, and exfoliator.
You'll most likely find this ingredient in cleansers where it is used to create a gel-like texture. As an emulsifier, it also prevents ingredients from separating.
There is much debate on whether this ingredient is comedogenic. The short answer - comedogenic ratings don't tell the whole story. Learn more about comegodenic ratings here.
The concensus about this ingredient causing acne seems to be divided. Research is needed to understand if this ingredient does cause acne.
Scrubs may use salt as the primary exfoliating ingredient.
Learn more about Sodium ChlorideTitanium Dioxide is a mineral (or physical) sunscreen ingredient that provides broad-spectrum protection by blocking both UV-A and UV-B rays.
It sits on the skin’s surface and primarily reflects and scatters UV light and also absorbs some of it.
This makes the line between “mineral” and “chemical” sunscreens a bit blurry, but in skincare labeling, Titanium Dioxide and Zinc Oxide are the two ingredients officially classified as mineral filters.
Because it’s non-irritating, Titanium Dioxide is often recommended for sensitive or acne-prone skin.
Thanks to modern production methods, nano-scale or fine-grade Titanium Dioxide is now widely used in cosmetics to reduce white cast and improve texture.
Despite its small particle size, studies show that Titanium Dioxide, even in nanoparticle form, is not absorbed into the skin.
Learn more about Titanium DioxideWater. 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. Stay hydrated!
Learn more about WaterIngredient Ratings
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