SkinCeuticals - Light Moisture Uv Defense SPF 50

SkinCeuticals Light Moisture Uv Defense SPF 50

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SPF 50
Can it work? Irritants Ingredient concentrations Sources Similar products User reviews Q&A Where to buy
WORKS FOR
  • Anti-aging
  • Sun protection
  • Evens skin tone
  • Moisturizing
  • +1 more
KEY INGREDIENTS
  • butyl methoxydibenzoylmethane
  • caprylic/capric triglyceride
  • dimethicone
  • glycerin
  • homosalate
  • octocrylene
  • polymethylsilsesquioxane
  • tocopherol
  • +5 more
PROMISES
FULFILLED
100 /100
IRRITANCY
LOW
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Formula review

WIMJ summary

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.

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Promise
What does the product description say?
"This oil-soluble, organic compound is commonly used in sunscreen formulations to absorb skin-aging UVA rays."
WIMJ summary

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.

Ingredient Effectiveness Concentration Irritancy
LOW
does not meet threshold
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WIMJ summary

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).

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What does the product description say?
"Light Moisture Uv Defense SPF 50"
From product name
WIMJ summary

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, caprylyl glycol.

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, caprylyl glycol.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
HIGH
meets threshold
HIGH
meets threshold

Potential irritants

IRRITANCY
LOW

Ingredients by volume

Ingredient Estimated concentration
Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.
23% - 35%
A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against 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. When used in low concentrations, helps to stabilize the product formulation
6.1% - 9.1%
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
5.3% - 7.9%
A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen
4.3% - 6.4%
Plain old water
2.8% - 4.2%
Used to create an even product consistency. Can help boost efficiency of sunscreen filters
2.2% - 3.2%
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
1.8% - 2.7%
A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss
1.4% - 2.1%
A synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own
1.1% - 1.7%
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
1% - 1.45%
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
0.55% - 1.3%
0.5% - 1.15%
A type of silicone that helps to soften the upper layer of the skin and create a nice product finish on the skin
0.45% - 1%
A type of silicone. Used to improve product texture
0.4% - 0.9%
Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together
0.45% - 1.05%
Used to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen), evenly disperse pigements and create a nice product consistency
0.4% - 1%
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
0.45% - 1.05%
Helps preserve products and creates a nice product texture
0.4% - 0.9%
Used to stabilize the product formulation
0.3% - 0.75%
Stabilizes the product formulation
0.3% - 0.7%
An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together
0.35% - 0.85%
0.2% - 0.7%
Helps preserve products. Can mask unpleasant smell. Could be irritating
0.15% - 0.7%
Helps oil and water mix togehter and creates a nice product texture
0.35% - 0.8%
Helps oil and water mix together
0.15% - 0.65%
A preservative. It helps prevent bacterial growth in cosmetic products
0.15% - 0.55%
Helps oil and water mix together
0.15% - 0.6%
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
0.1% - 0.5%
Used to adjust pH of the product and can help improve the product's smell
0.1% - 0.45%
Used to create a thicker product consistency
0.1% - 0.45%

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