Eternal Secret SPF 50+ Proteccion Solar Muy Alta Resistente Al Agua Versus La Roche-Posay Anthelios UVMune 400 Oil Control Fluid SPF 50+
This chemical sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50.
This chemical sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50.
What's inside
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningMethylene Bis-Benzotriazolyl Tetramethylbutylphenol
UV Filter
Decyl Glucoside
Cleansing
Propylene Glycol
Humectant
Xanthan Gum
EmulsifyingPEG-4 Diheptanoate
EmulsifyingCetearyl Isononanoate
Emollient
Diisopropyl Adipate
EmollientIsodecyl Neopentanoate
EmollientBis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin Conditioning
Diethylhexyl Butamido Triazone
UV Absorber
Aluminum Starch Octenylsuccinate
Absorbent
Potassium Sulfate
Hydrogenated Palm Glycerides
Emollient
Elaeis Guineensis Kernel Oil
Emollient
C10-30 Alkyl Acrylate
Caprylic/Capric Triglyceride
Masking
Silica
Abrasive
Benzoic Acid
Masking
1,2-Hexanediol
Skin Conditioning
Caprylyl Glycol
Emollient
Triethanolamine
BufferingPEG-40 Hydrogenated Castor Oil
Emulsifying
Disodium EDTA
Glyceryl Laurate
Emollient
Behentrimonium Methosulfate
SurfactantCetyl Alcohol
Emollient
Butylene Glycol
Humectant
Hydroxyethylcellulose
Emulsion StabilisingTocopheryl Acetate
Antioxidant
Water, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Decyl Glucoside, Propylene Glycol, Xanthan Gum, PEG-4 Diheptanoate, Cetearyl Isononanoate, Diisopropyl Adipate, Isodecyl Neopentanoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Diethylhexyl Butamido Triazone, Aluminum Starch Octenylsuccinate, Potassium Sulfate, Hydrogenated Palm Glycerides, Elaeis Guineensis Kernel Oil, C10-30 Alkyl Acrylate, Caprylic/Capric Triglyceride, Silica, Benzoic Acid, 1,2-Hexanediol, Caprylyl Glycol, Triethanolamine, PEG-40 Hydrogenated Castor Oil, Disodium EDTA, Glyceryl Laurate, Behentrimonium Methosulfate, Cetyl Alcohol, Butylene Glycol, Hydroxyethylcellulose, Tocopheryl Acetate
Water
Skin ConditioningAlcohol Denat.
Antimicrobial
Triethyl Citrate
Masking
Diisopropyl Sebacate
EmollientSilica
Abrasive
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Skin Conditioning
Ethylhexyl Salicylate
UV Absorber
Ethylhexyl Triazone
UV Absorber
Butyl Methoxydibenzoylmethane
UV Absorber
Glycerin
Humectant
Propanediol
Solvent
C12-22 Alkyl Acrylate/Hydroxyethylacrylate Copolymer
StabilisingC12-15 Alkyl Benzoate
AntimicrobialSodium Citrate
BufferingMethoxypropylamino Cyclohexenylidene Ethoxyethylcyanoacetate
Stabilising
Perlite
Absorbent
Tocopherol
Antioxidant
Caprylic/Capric Triglyceride
Masking
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion StabilisingBixa Orellana Seed Extract
MaskingCaprylyl Glycol
Emollient
Citric Acid
Buffering
Diethylamino Hydroxybenzoyl Hexyl Benzoate
UV Filter
Drometrizole Trisiloxane
UV Absorber
Hydroxyacetophenone
Antioxidant
Hydroxyethylcellulose
Emulsion StabilisingMaltodextrin
Absorbent
Pentylene Glycol
Skin Conditioning
Silica Silylate
Emollient
Terephthalylidene Dicamphor Sulfonic Acid
UV Absorber
Triethanolamine
BufferingTrisodium Ethylenediamine Disuccinate
Zinc PCA
Humectant
Parfum
Masking
Water, Alcohol Denat., Triethyl Citrate, Diisopropyl Sebacate, Silica, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Ethylhexyl Salicylate, Ethylhexyl Triazone, Butyl Methoxydibenzoylmethane, Glycerin, Propanediol, C12-22 Alkyl Acrylate/Hydroxyethylacrylate Copolymer, C12-15 Alkyl Benzoate, Sodium Citrate, Methoxypropylamino Cyclohexenylidene Ethoxyethylcyanoacetate, Perlite, Tocopherol, Caprylic/Capric Triglyceride, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Bixa Orellana Seed Extract, Caprylyl Glycol, Citric Acid, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Drometrizole Trisiloxane, Hydroxyacetophenone, Hydroxyethylcellulose, Maltodextrin, Pentylene Glycol, Silica Silylate, Terephthalylidene Dicamphor Sulfonic Acid, Triethanolamine, Trisodium Ethylenediamine Disuccinate, Zinc PCA, Parfum
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
This 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 TriazineCaprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moisture loss.
Though it behaves like an oil, it is not technically one due to its chemical composition. One perk of this ingredient is that it is very stable, resistant to oxidation, and unlikely to go rancid.
In practice, that translates to a long shelf life and a consistently elegant skin feel.
While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this. Just patch test if you have concerns.
Fractionated coconut oil and MCT Oil are both listed as Caprylic/Capric Triglyceride according to INCI. This is because INCI names are based on the ingredient’s final chemical composition and not its marketing name or source.
This ingredient is treated as the gold standard fungal acne safe oil. Even though it is coconut derived, the problematic lauric acid is stripped out.
This leaves just caprylic (C8) and capric (C10) acid. These chain lengths actually trend antifungal; a 2020 study found caprylic acid was enough to disrupt Malassezia furfur cell membrane, with a caprylic acid derivative damaging membrane structures at concentrations as low as 0.2%.
Learn more about Caprylic/Capric TriglycerideCaprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.
Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.
Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).
Learn more about Caprylyl GlycolHydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.
This ingredient helps stabilize products by preventing ingredients from separating. It can also help thicken the texture of a product.
This ingredient can also be found in pill medicines to help our bodies digest other ingredients.
Learn more about HydroxyethylcelluloseSilica, also known as silicon dioxide, is a naturally occurring mineral. It is used as a fine, spherical, and porous powder in cosmetics.
Though it has exfoliant properties, the function of silica varies depending on the product.
The unique structure of silica enhances the spreadability and adds smoothness, making it a great texture enhancer.
It is also used as an active carrier, emulsifier, and mattifier due to its ability to absorb excess oil.
In some products, tiny microneedles called spicules are made from silica or hydrolyzed sponge. When you rub them in, they lightly polish away dead skin layers and enhance the penetration of active ingredients.
Learn more about SilicaTriethanolamine (TEA) is an emulsifier and pH adjuster. It is created using ethylene oxide and ammonia. This gives Triethanolamine a nitrogen core and a similar scent to ammonia.
As an emulsifier, it prevents ingredients from separating and enhances texture by adding volume to a product.
PH adjusters are common in cosmetic products. The pH of a product can affect the effectiveness of other ingredients. A product with a high pH may also irritate the skin.
If you are looking for the tea leaf ingredient, click here.
Learn more about TriethanolamineWater. 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
