Kiehl's - Vital Skin-Strengthening Hyaluronic Acid Super Serum

Kiehl's Vital Skin-Strengthening Hyaluronic Acid Super Serum

PROMISES
FULFILLED
75 /100
IRRITANCY
HIGH
Works for
  • Exfoliation
  • Anti-aging
  • Moisturizing
  • Evens skin tone
Key ingredients
  • capryloyl salicylic acid
  • adenosine
  • dimethicone
  • glycerin
+ 3 more
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Formula review

See a mistake?
Promise
What does the product description say?
"Vital Skin-Strengthening Hyaluronic Acid Super Serum All Skin Types, including Sensitive Skin A skin-strengthening serum that helps skin feel protected against daily stressors and premature signs of ageing."
WIMJ summary

This product contains adenosine. This ingredient might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.

Ingredient Effectiveness Concentration Irritancy
MEDIUM
meets threshold
LOW
does not meet threshold
See a mistake?
WIMJ summary

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: capryloyl salicylic acid.

Ingredient Effectiveness Concentration Irritancy
MEDIUM
meets threshold
See a mistake?
WIMJ summary

This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: capryloyl salicylic acid.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
See a mistake?
Promise
What does the product description say?
"Vital Skin-Strengthening Hyaluronic Acid Super Serum"
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, sodium acetylated hyaluronate.

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
HIGH

Ingredients by volume

Plain old water
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

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