Works for:
based on ingredients and %- Anti-aging
- Sun protection
- Evens skin tone
- Moisturizing
Can it cause trouble?
- Irritation risk: medium
- Comedogenic risk ingredients: 3
Key actives
Product Summary
Based on the ingredient list, we assess that "Kiehl's - Ultra Light Daily UV Defense SPF50" can provide reliable sun protection. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).
It contains good moisturizing ingredients and can double as a hydrating day cream. This product prevents early signs of aging by protecting against sun damage (all broad spectrum sunscreens do that).
Sunscreen filters
This is a "mixed" sunscreen in the sense that it uses both mineral and organic (so-called "chemical") sun filters. Here are the organic filters this product uses: tinosorb s, uvinul a plus, mexoryl xl, octinoxate and terephthalylidene dicamphor sulfonic acid. As for the mineral filters, this sunscreen uses titanium dioxide.
Irritation risk
We assess the overall irritancy of this sunscreen to be medium. For a detailed overview of all potential irritants: click here
You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.
Price
The product retails from 24.00£ up to 46.00£ in the United Kingdom and for 107.23$ in the United States.
For a detailed price comparison: click here.
Anti-aging
What does the product description say?
Protects the skin from ultraviolet rays (UVA/UVB), including long UVA, and fine particles in the air, while providing a skin care effect. Anti-burn lotion.
Source: Yesstyle
This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine.
Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.
This product can also 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.
Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
Evens skin tone
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).
Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin
Sun protection
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.
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.
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
Mexoryl XL. A UV filter. Effective in the UVB and UVA range. It is stable. Unfortunately, not approved in the US yet
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
Ecamsule, Mexoryl SX. A UV filter. Is effective mostly against the UVA rays. It is legally marketed in the US with the FDA approval since 2006, even though the ingredient is not on the official FDA list of the approved sunscreen active ingredients. It is photostable
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
Anti-oxidation
This product contains antioxidants (scutellaria baicalensis extract) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.
A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare typically too low. Can be used for its fragrant properties
Might help neutralize free radicals in skin
Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin
Moisturizing
What does the product description say?
Kiehl's daily ultra light formula intensely moisturises the skin and utilises efficacious levels of an advanced sun filter system and pollution-deflecting technology, helping provide skin with effective defence against environmental aggressors, including UVA/UVB rays and skin-damaging pollutants.
Source: Feelunique
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:
arginine, 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: arginine, dimethicone.
An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin
Helps to attract water to the upper layer of the skin
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
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
Yeast extract. Helps attract water to the upper layer of the skin
A salt of an amino-acid that helps attract water to the upper layer of the skin. Might be helpful in restoring the skin barrier function
A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together
Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)
An emollient that is naturally present in skin and helps soften it
Used to preserve products, dissolve other ingredients and create a nice product texture
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Helps attract water to the upper layer of the skin and improves the product texture
Helps preserve products and creates a nice product texture
Improves the texture of the product and helps soften the skin. Helps oil and water mix together and can be used as a cleansing agent
An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together
Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin
Helps oil and water mix together and works as an emollient
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Sun protection | |
| Anti-aging |
Total Promises Fulfilled score: 90/100.
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Potential irritants
Comedogenic ingredients
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 Kiehl's Ultra Light Daily UV Defense SPF50 | Current | $24.00 | |
HYGGEE Real Sun Cream | 52% | $39.50 | |
JUMISO AWE⋅SUN AIRY-FIT Sunscreen SPF50+ PA++++ | 50% | - |
Key Actives
Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)
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
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Mexoryl XL. A UV filter. Effective in the UVB and UVA range. It is stable. Unfortunately, not approved in the US yet
Ecamsule, Mexoryl SX. A UV filter. Is effective mostly against the UVA rays. It is legally marketed in the US with the FDA approval since 2006, even though the ingredient is not on the official FDA list of the approved sunscreen active ingredients. It is photostable
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
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.
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
A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare typically too low. Can be used for its fragrant properties
An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin
Helps to attract water to the upper layer of the skin
A salt of an amino-acid that helps attract water to the upper layer of the skin. Might be helpful in restoring the skin barrier function
Yeast extract. Helps attract water to the upper layer of the skin
Potential irritants
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare typically too low. Can be used for its fragrant properties
Mexoryl XL. A UV filter. Effective in the UVB and UVA range. It is stable. Unfortunately, not approved in the US yet
Ecamsule, Mexoryl SX. A UV filter. Is effective mostly against the UVA rays. It is legally marketed in the US with the FDA approval since 2006, even though the ingredient is not on the official FDA list of the approved sunscreen active ingredients. It is photostable
Used to adjust pH of the product and can help improve the product's smell
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.
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
Can work as an exfoliant but is typically used to adjust the product pH
Helps preserve products and creates a nice product texture
Helps oil and water mix together. Could be comedogenic
Used to preserve products, dissolve other ingredients and create a nice product texture
Comedogenic ingredients
Helps oil and water mix together. Could be comedogenic
All ingredients
Octinoxate. When used in higher concentrations, works as a sunscreen protecting the skin from UVB rays. When used in lower concentration, helps to preserve the product formulation. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can be irritating
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
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Mexoryl XL. A UV filter. Effective in the UVB and UVA range. It is stable. Unfortunately, not approved in the US yet
Ecamsule, Mexoryl SX. A UV filter. Is effective mostly against the UVA rays. It is legally marketed in the US with the FDA approval since 2006, even though the ingredient is not on the official FDA list of the approved sunscreen active ingredients. It is photostable
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
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
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
Used to adjust pH of the product and can help improve the product's smell
An emollient that is naturally present in skin and helps soften it
Helps oil and water mix togehter and creates a nice product texture
An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together
A preservative. It helps prevent bacterial growth in cosmetic products
A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together
Can be used to help absorb oil as well as add volume and imporve texture of products.
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.
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
Can work as an exfoliant but is typically used to adjust the product pH
Is used to add opaque (non-transparent) appearance to formulations. Can be used to coat other ingredients for even dispersion. This is a different ingredient compared to the ones used in antipersperants (aluminium chloride and aluminium chlorohydrate)
Helps preserve products and creates a nice product texture
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare typically too low. Can be used for its fragrant properties
Helps water and oil mix together and create gel-like textures
Improves the texture of the product and helps soften the skin. Helps oil and water mix together and can be used as a cleansing agent
Helps oil and water mix together. Could be comedogenic
Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)
An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin
Helps attract water to the upper layer of the skin and improves the product texture
Used to preserve products, dissolve other ingredients and create a nice product texture
A salt of an amino-acid that helps attract water to the upper layer of the skin. Might be helpful in restoring the skin barrier function
Used to stabilize mixtures of oil and water, and create thicker, gel-like product textures
Yeast extract. Helps attract water to the upper layer of the skin
Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin
Ingredient list view
Water, Ethylhexyl methoxycinnamate, Dimethicone, Glycerin, Drometrizole trisiloxane, Terephthalylidene dicamphor sulfonic acid, Propylene glycol, Titanium dioxide, Alcohol denat., Triethanolamine, Stearic acid, Potassium cetyl phosphate, Nylon-12, Palmitic acid, Peg-100 stearate, Glyceryl stearate, Phenoxyethanol, Cetyl alcohol, Cellulose, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Diethylamino hydroxybenzoyl hexyl benzoate, Citric acid, Aluminum hydroxide, Caprylyl glycol, Sodium cocoyl sarcosinate, Carbomer, Tocopherol, Tromethamine, Scutellaria baicalensis extract, Acrylamide/sodium acryloyldimethyltaurate copolymer, Isohexadecane, Xanthan gum, Myristic acid, Disodium edta, Adenosine, Polysorbate 80, Arginine, Mannitol, Disodium adenosine triphosphate, Rna, Pyridoxine hcl, Sorbitan oleate, Sorbitol, Pentylene glycol, Bht, Histidine hcl, Zea mays kernel extract, Sodium chloride, Faex extract, Yeast extract, Phenylalanine, Mentha piperita extract, Rosa gallica flower extract, Tyrosine, Sorbic acid
- Dimethicone as a protective ingredient in topical medications
- Final Report on the Safety Assessment of Dimethicone Copolyol
- Glycerol and the skin: holistic approach to its origin and functions
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- Safety Assessment of Alumina and Aluminum Hydroxide as Used in Cosmetics
- Vitamin E in dermatology
- Vitamin E and Skin Health
- Safety Assessment of Tromethamine as Used in Cosmetics
- The fatty acid profile of the skin surface lipid layer in papulopustular rosacea
- Evaluation of anti-wrinkle efficacy of adenosine-containing products using the FOITS technique
- Safety Assessment of α-Amino Acids as Used in Cosmetics
- Histidine and/or Histidine Derivative for the Treatment of Inflammatory Skin Diseases
- The natural yeast extract isolated by ethanol precipitation inhibits melanin synthesis by modulating tyrosinase activity and downregulating melanosome transfer
- Evaluation of dermatological effects of cosmetic formulations containing Saccharomyces cerevisiae extract and vitamins