COSRX - Shield Fit Snail Essence Sun SPF50+ PA+++

COSRX Shield Fit Snail Essence Sun SPF50+ PA+++

SPF 50
PROMISES
FULFILLED
95 /100
IRRITANCY
HIGH
Works for
  • Anti-aging
  • Sun protection
  • Evens skin tone
  • Moisturizing
Key ingredients
  • moringa pterygosperma seed extract
  • butyl methoxydibenzoylmethane
  • homosalate
  • hyaluronic acid
+ 7 more
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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 sunscreen filters. Organic fitlers 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.

Organic filters
Ingredient UVB UVA I UVA II Stability
butyl methoxydibenzoylmethane
cross
Offers UVA I protection
Offers UVA II protection
Is photo stable
octocrylene
Offers UVB protection
Does not offer UVA I protection
Does not offer UVA II protection
Is photo stable
homosalate
Offers UVB protection
Does not offer UVA I protection
Does not offer UVA II protection
Is photo stable
See a mistake?
Promise
What does the product description say?
"Snail Secretion Filtrate helps to deeply moisturise, nourish, and revitalise skin whilst restoring its youthful glow."
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
meets 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).

Ingredient Effectiveness Concentration Irritancy
LOW
meets threshold
See a mistake?
Promise
What does the product description say?
"An added Snail Secretion Filtrate ensures skin is completely hydrated and conditioned, working to revitalise your visage and ensure a more radiant glow."
WIMJ summary

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": hyaluronic acid, hydrolyzed hyaluronic acid.

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. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

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

Potential irritants

IRRITANCY
HIGH
Ingredient Irritancy Skin Benefit
homosalate
Has skin benefit
alcohol denat.
does not have skin benefit
octocrylene
Has skin benefit

Ingredients by volume

Plain old water
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
Produces temporary toning effect. Can help dissolve other ingredients or preserve products

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