Kiehl's s Cucumber Toner

Kiehl's s Cucumber Toner

Efficacy75/100IrritancyHigh

Works for

Moisturizing
Sodium pca, Allantoin + 4 more
Works
What the product description says
“It is known to cool and refresh the skin, and has been shown to be moisture-binding, moisture-regulating and softening properties.”
Source: Feelunique

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": allantoin, sodium pca.

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).

Sodium pcaKey active· HumectantEffect: HighNaturally present in skin and helps to attract water to its upper layer~2–3%
AllantoinKey active· HumectantEffect: HighHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~1.3–1.9%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~5.8–8.8%
Aloe barbadensis extract· HumectantEffect: LowTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.9–1.35%
Cucumis sativus fruit extractEffect: Low, below effective doseMight be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect~1.1–1.6%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.6–1.4%

Can it cause trouble?

Irritancy
3 strong irritants: Camphor, Equisetum arvense extract + 1 more — patch-test recommended
High risk
We flagged 12 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~2.6–3.9%est.
Camphor—High~0.45–1.05%est.
Chamomilla recutita extractPlant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritatingHigh~0.4–0.9%est.
Equisetum arvense extractA plant extract that might have anti-oxidant properties. Can be irritatingHigh~0.2–0.7%est.
Rosa damascena extractOil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.High~0.05–0.25%est.
Ci 19140A yellow dyeHigh~0.05–0.15%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~5.8–8.8%est.
Cucumis sativus fruit extractMight be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effectMedium~1.1–1.6%est.
Aloe barbadensis extractTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~0.9–1.35%est.
Aloe barbadensis leaf juiceTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~0.6–1.4%est.
Ci 14700A colorantMedium~0.01–0.1%est.
Ci 42090A colorant (dye)Medium~0.01–0.05%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Pentylene glycol~5.8–8.8%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol
Phenoxyethanol~0.5–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Propylene glycol~2.6–3.9%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Sodium pca~2–3%
Key active
Irritation risk
Low
Works for
Moisturizing

Naturally present in skin and helps to attract water to its upper layer

More about Sodium pca
Methylparaben~0.15–0.3%
Formula
Irritation risk
Low

A preservative

More about Methylparaben
Allantoin~1.3–1.9%
Key active
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingAnti-blemishReduces irritationReduces rednessExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Cucumis sativus fruit extract~1.1–1.6%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

Might be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect

More about Cucumis sativus fruit extract
Aloe barbadensis extract~0.9–1.35%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis extract
Aloe barbadensis leaf juice~0.6–1.4%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatoryReduces irritationAntibacterialReduces rednessAnti-blemishAnti-aging

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf juice
Camphor~0.45–1.05%
Irritant · high
Irritation risk
High
More about Camphor
Chamomilla recutita extract~0.4–0.9%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatory

Plant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritating

More about Chamomilla recutita extract
Urtica dioica~0.35–0.75%
Formula
Irritation risk
Low
More about Urtica dioica
Urtica dioica extract~0.2–0.7%
Formula
Equisetum arvense extract~0.2–0.7%
Irritant · high
Irritation risk
High

A plant extract that might have anti-oxidant properties. Can be irritating

More about Equisetum arvense extract
Betula alba juice~0.1–0.4%
Formula
Rosa damascena extract~0.05–0.25%
Irritant · high
Irritation risk
High

Oil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.

More about Rosa damascena extract
Ci 19140~0.05–0.15%
Irritant · high
Irritation risk
High

A yellow dye

More about Ci 19140
Ci 14700~0.01–0.1%
Irritant · medium
Irritation risk
Medium

A colorant

More about Ci 14700
Ci 42090~0.01–0.05%
Irritant · medium
Irritation risk
Medium

A colorant (dye)

More about Ci 42090
Ingredient list view

Water, Pentylene glycol, Phenoxyethanol, Propylene glycol, Sodium pca, Methylparaben, Allantoin, Cucumis sativus fruit extract, Aloe barbadensis extract, Aloe barbadensis leaf juice, Camphor, Chamomilla recutita extract, Urtica dioica, Urtica dioica extract, Equisetum arvense extract, Betula alba juice, Rosa damascena extract, Ci 19140, Ci 14700, Ci 42090

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🇨🇦 Amazon CA (CA)Price as of 11/1 09:02 GMT
≈ $37.68
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
Kiehl'ss Cucumber TonerYOUR PRODUCTLABtheticsVitamin B5 TonerBeautycollSkin Brightening TonerPlacentor VégétalToning and Oxygenating Lotion
Match—37%37%37%
Price———$10.93
Shared key ingredients—2 of 22 of 22 of 2
Key difference—Calcium PantothenateCalcium PantothenateCopper Gluconate
Irritancy High Low Low Medium
Drying alcohol————
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More alternatives: Obagi C C-Balancing Toner FXPaula's choice Hydralight Healthy Skin Refreshing Toner

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 5 studies and safety reviews.

  1. 1
  2. 2
    Propylene Glycolpubmed.ncbi.nlm.nih.gov
  3. 3
  4. 4
  5. 5
Kiehl's s Cucumber Toner
Kiehl'ss Cucumber Toner

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

As an Amazon Associate, WIMJ earns from qualifying purchases.