ISDIN FOTOULTRA 100® Fotoultra Active Unify SPF 50+

ISDIN FOTOULTRA 100® Fotoultra Active Unify SPF 50+

SPF 50Efficacy90/100IrritancyMedium·5 UV filters
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Works for

2 of 2 advertised claims delivered

Sun protection
SPF 50 · 5 UV filters
Broad spectrum
SPF 50Broad spectrumChemical filtersNano filters

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Octisalate
Uvinul T
Titanium Dioxide
Tinosorb S
Uvinul A Plus
FilterCoverageWhat it doesEst. amount
OctisalateEthylhexyl SalicylateUVBOctisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen~1.7–2.1%
Uvinul TEthylhexyl TriazoneUVB Photo-stable Uvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet~1.5–1.8%
Titanium Dioxide Mineral UVBUVA2 Photo-stable Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin~0.55–0.85%
Tinosorb SBis-ethylhexyloxyphenol Methoxyphenyl TriazineUVBUVA Photo-stable Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.~2.2–2.6%
Uvinul A PlusDiethylamino Hydroxybenzoyl Hexyl BenzoateUVA1 Photo-stable Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet~3.2–3.9%
~ marks concentrations estimated from label position and typical use levels
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Evens skin tone
2 ingredients credited for this claim
Strong support
What the product description says
“triple acción despigmentante”
Source: ISDIN

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

NiacinamideUnder-dosedEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.55–0.8%
Pisum sativum extractEffect: Low, below effective doseMight be helpful in protecting skin collagen and elastin from breaking down but solid research is lacking~0.2–0.35%
Anti-aging
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

These ingredients in the product might also be helpful for reducing and preventing fine lines, wrinkles, and skin elasticity, even though there is no conclusive evidence for their effectiveness: palmitoyl tetrapeptide-7, palmitoyl tripeptide-1.

Palmitoyl tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.25%
Palmitoyl tetrapeptide-7Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
NiacinamideUnder-dosedEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.55–0.8%
Moisturizing
Not advertised by the brand · 12 ingredients credited for this claim
Strong support

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: dimethicone, isododecane.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: palmitoyl tetrapeptide-7, palmitoyl tripeptide-1

Polyglyceryl-2 dipolyhydroxystearateKey activeEffect: HighHelps to soften the upper layer of the skin~0.3–0.55%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~0.4–0.6%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.6–0.95%
Palmitoyl tetrapeptide-7Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Palmitoyl tripeptide-1Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.25%
C12-15 alkyl benzoateKey active· EmollientEffect: MediumEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth~0.5–0.75%
Diisopropyl sebacateKey active· EmollientEffect: MediumHelps soften the upper layer of the skin without creatng a greasy finish~1.4–1.8%
IsododecaneKey active· Emollient, OcclusiveEffect: MediumAn emollient that helps soften the skin and can decrease moisture loss. Helps create a nice product texture~2–2.4%
Dibutyl adipate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~5.4–6.6%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.2–0.35%
NiacinamideUnder-dosedEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.55–0.8%
Caprylic/capric triglycerideUnder-dosedEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~0.75–1.15%

Can it cause trouble?

Irritancy
1 strong irritant: Sclareolide
Medium risk
We flagged 17 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
SclareolideDerived from clary sage. Used as a fragrance. Can be irritatingHigh~0.25–0.45%est.
Diethylamino hydroxybenzoyl hexyl benzoateUvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yetMedium~3.2–3.9%est.
Bis-ethylhexyloxyphenol methoxyphenyl triazineTinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.Medium~2.2–2.6%est.
Ethylhexyl triazoneUvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yetMedium~1.5–1.8%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~0.75–1.15%est.
Polyglyceryl-6 polyhydroxystearateHelps oil and water mix togetherMedium~0.45–0.7%est.
Polyglyceryl-6 polyricinoleateHelps oil and water mix togetherMedium~0.4–0.6%est.
1,2-hexanediolA preservativeMedium~0.3–0.6%est.
Sucrose dilaurateHelps oil and water mix together. Can be used as a cleansing agentMedium~0.3–0.6%est.
HydroxyacetophenoneUsed to increase effectiveness of preservativesMedium~0.3–0.55%est.
Polyglyceryl-3 diisostearateHelps oil and water mix togetherMedium~0.3–0.6%est.
Polyglyceryl-3 polyricinoleateHelps oil and water mix togetherMedium~0.3–0.55%est.
Diethylhexyl syringylidenemalonateUsed to stabilize the product formulationMedium~0.25–0.5%est.
Sodium cocoyl glutamateHelps oil and water mix togetherMedium~0.35–0.6%est.
Sorbitan laurateHelps water and oil mix togetherMedium~0.25–0.5%est.
EthylhexylglycerinA preservativeMedium~0.25–0.45%est.
Pisum sativum extractMight be helpful in protecting skin collagen and elastin from breaking down but solid research is lackingMedium~0.2–0.35%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Polyglyceryl-3 diisostearateHelps oil and water mix together3/5~0.3–0.6%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Dibutyl adipate~5.4–6.6%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product consistency

More about Dibutyl adipate
Propylene glycol dicaprylate/dicaprate~4.4–5.4%
Formula
Silica~3.2–4%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Diethylamino hydroxybenzoyl hexyl benzoate~3.2–3.9%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet

More about Diethylamino hydroxybenzoyl hexyl benzoate
Isododecane~2–2.4%
Key active
Irritation risk
Low
Works for
Moisturizing

An emollient that helps soften the skin and can decrease moisture loss. Helps create a nice product texture

More about Isododecane
Bis-ethylhexyloxyphenol methoxyphenyl triazine~2.2–2.6%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.

More about Bis-ethylhexyloxyphenol methoxyphenyl triazine
Diisopropyl sebacate~1.4–1.8%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin without creatng a greasy finish

More about Diisopropyl sebacate
Ethylhexyl salicylate~1.7–2.1%
UV filter
Irritation risk
Low
Works for
Sun protection

Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen

More about Ethylhexyl salicylate
Ethylhexyl triazone~1.5–1.8%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Uvinul T. A UV filter. Effective against UVB rays. It is photostable. Can increase water resistance properties of the sunscreen. Unfortunately, not approved by the FDA (US) yet

More about Ethylhexyl triazone
Caprylic/capric triglyceride~0.75–1.15%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
Glycerin~0.6–0.95%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Niacinamide~0.55–0.8%
Under-dosed
Irritation risk
Low
Works for
Anti-agingEvens skin toneMoisturizingAnti-blemishReduces irritationAntibacterialReduces rednessAnti-inflammatory

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
C12-15 alkyl benzoate~0.5–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth

More about C12-15 alkyl benzoate
Titanium dioxide~0.55–0.85%
UV filterUnder-dosed
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Titanium dioxide~0.6–0.85%
UV filterUnder-dosed
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Polyglyceryl-6 polyhydroxystearate~0.45–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-6 polyhydroxystearate
Maltodextrin~0.4–0.65%
Formula
Irritation risk
Low
Works for
Mattifying

Used to stabilize the product formulation and can help absorb oil

More about Maltodextrin
Polyglyceryl-6 polyricinoleate~0.4–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-6 polyricinoleate
1,2-hexanediol~0.3–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Sodium chloride~0.35–0.6%
Formula
Irritation risk
Low

Used to stabilize mixtures of oil and water, and create thicker, gel-like product textures

More about Sodium chloride
Dimethicone~0.4–0.6%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Sucrose dilaurate~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together. Can be used as a cleansing agent

More about Sucrose dilaurate
Stearalkonium hectorite~0.3–0.55%
Formula
Irritation risk
Low

Used to create an even product consistency

More about Stearalkonium hectorite
Hydroxyacetophenone~0.3–0.55%
Irritant · medium
Irritation risk
Medium

Used to increase effectiveness of preservatives

More about Hydroxyacetophenone
Polyglyceryl-2 dipolyhydroxystearate~0.3–0.55%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin

More about Polyglyceryl-2 dipolyhydroxystearate
Trimethylpentanediol/adipic acid/glycerin crosspolymer~0.3–0.5%
Formula
Polyglyceryl-3 diisostearate~0.3–0.6%
Comedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 diisostearate
Polyglyceryl-3 polyricinoleate~0.3–0.55%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 polyricinoleate
Sclareolide~0.25–0.45%
Irritant · high
Irritation risk
High

Derived from clary sage. Used as a fragrance. Can be irritating

More about Sclareolide
Diethylhexyl syringylidenemalonate~0.25–0.5%
Irritant · medium
Irritation risk
Medium

Used to stabilize the product formulation

More about Diethylhexyl syringylidenemalonate
Sodium cocoyl glutamate~0.35–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Sodium cocoyl glutamate
Sorbitan laurate~0.25–0.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Sorbitan laurate
Ethylhexylglycerin~0.25–0.45%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
C18-36 acid glycol ester~0.3–0.5%
Formula
Irritation risk
Low
Works for
Cleansing
More about C18-36 acid glycol ester
C18-36 acid triglyceride~0.25–0.45%
Formula
Pisum sativum extract~0.2–0.35%
Irritant · medium
Irritation risk
Medium
Works for
Evens skin tone

Might be helpful in protecting skin collagen and elastin from breaking down but solid research is lacking

More about Pisum sativum extract
Glyceryl stearate~0.2–0.35%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

More about Glyceryl stearate
Tetrasodium glutamate diacetate~0.1–0.2%
Formula
Irritation risk
Low

Helps stabilize the product formulation

More about Tetrasodium glutamate diacetate
Palmitoyl tripeptide-1~0.15–0.25%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-1
Palmitoyl tetrapeptide-7~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tetrapeptide-7
Ingredient list view

Water, Dibutyl adipate, Propylene glycol dicaprylate/dicaprate, Silica, Diethylamino hydroxybenzoyl hexyl benzoate, Isododecane, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Diisopropyl sebacate, Ethylhexyl salicylate, Ethylhexyl triazone, Caprylic/capric triglyceride, Glycerin, Niacinamide, C12-15 alkyl benzoate, Titanium dioxide, Titanium dioxide, Polyglyceryl-6 polyhydroxystearate, Maltodextrin, Polyglyceryl-6 polyricinoleate, 1,2-hexanediol, Sodium chloride, Dimethicone, Sucrose dilaurate, Stearalkonium hectorite, Hydroxyacetophenone, Polyglyceryl-2 dipolyhydroxystearate, Trimethylpentanediol/adipic acid/glycerin crosspolymer, Polyglyceryl-3 diisostearate, Polyglyceryl-3 polyricinoleate, Sclareolide, Diethylhexyl syringylidenemalonate, Sodium cocoyl glutamate, Sorbitan laurate, Ethylhexylglycerin, C18-36 acid glycol ester, C18-36 acid triglyceride, Pisum sativum extract, Glyceryl stearate, Tetrasodium glutamate diacetate, Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7

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Amazon UKPrice as of 10/7/2026 12:00 GMT
≈ $31.72
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
ISDIN FOTOULTRA 100®Fotoultra Active Unify SPF 50+YOUR PRODUCTVichyLiftActiv Specialist B3 Dark Spot Serum + B3 Anti-Dark Spots Cream SPF50 FreeSKIN 1004.Madagascar Centella Hyalu-cica Water-fit Sun Serum SPF50+ Pa++++ISNTREEHyaluronic Acid Watery Sun Gel
Match—79%75%73%
Price$31.72$46.79+$15.07$42.97+$11.25$13.84−$17.88
Shared key ingredients—7 of 114 of 114 of 11
Key difference—Ascorbyl GlucosideAdenosineAdenosine
Irritancy Medium Medium Low Low
SPFSPF 50SPF 50SPF 50SPF 50
Drying alcohol— Contains drying alcohol ——
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