Kiehl's - Nightly Refining Micro-Peel Concentrate

Kiehl's Nightly Refining Micro-Peel Concentrate

PROMISES
FULFILLED
75 /100
IRRITANCY
HIGH
Works for
  • Exfoliation
  • Anti-aging
  • Moisturizing
  • Evens skin tone
Key ingredients
  • adenosine
  • ascorbyl glucoside
  • chenopodium quinoa seed extract
  • glycerin
+ 3 more
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Formula review

See a mistake?
Promise
What does the product description say?
"In 4 weeks, skin quality is improved and fine lines are smoothed"
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
MEDIUM
does not meet threshold
See a mistake?
Promise
What does the product description say?
"This leave-on concentrate is formulated with the gentle exfoliating power of sustainably-sourced Quinoa Husk Extract and helps to even skin texture and reveal radiant skin."
WIMJ summary

This product might help improve the skin tone through exfoliation. In other words, it helps to speed up the shedding of cells from the upper layer of the skin, and this might help reduce hyperpigmentation.

Ingredient Effectiveness Concentration Irritancy
MEDIUM
does not meet threshold
See a mistake?
Promise
What does the product description say?
"Nightly Refining Micro-Peel Concentrate"
From product name
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: hydroxyethyl urea.

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

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin, hydroxyethyl urea.

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

Ingredients by volume

Plain old water
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
Used to regulate product's pH

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