Kerstin Florian Rejuvenating Cleansing Gel

Kerstin Florian Rejuvenating Cleansing Gel

Efficacy75/100IrritancyHigh

Works for

Cleansing
Disodium cocoamphodiacetate, Polysorbate 20 + 3 more
Can be harsh
What the product description says
“Rejuvenating Cleansing Gel”
Source: Skinstore

This product works by removing dirt and oil from the surface of the skin.

It contains the following cleansing agents that tend to be harsh on the skin: sodium laureth sulfate.

The following cleansing agents are typically mild, but still can cause an irritation or allergy for some people cocamidopropyl betaine.

Keep in mind that cleansing can disrupt the skin barrier, and most people do not need to cleanse their skin more than once per day.

Disodium cocoamphodiacetateEffect: HighHelps oil and water mix together and works as a cleansing agent~4.2–6.4%
Polysorbate 20Effect: HighHelps oil and water mix together~2.4–3.7%
Sodium laureth sulfateEffect: HighWorks as a foaming cleansing agent~2.3–3.5%
Cocamidopropyl betaineEffect: HighHelps water and oil mix together. Used as a cleansing ingredient. Could be an allergen~2.2–3.3%
Cocamidopropylamine oxideEffect: High~0.45–1.1%

Can it cause trouble?

Irritancy
5 strong irritants: Rosa gallica flower extract, Imidazolidinyl urea + 3 more — patch-test recommended
High risk
We flagged 14 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~4.5–6.7%est.
Sodium laureth sulfateWorks as a foaming cleansing agentHigh~2.3–3.5%est.
Cocamidopropyl betaineHelps water and oil mix together. Used as a cleansing ingredient. Could be an allergenHigh~2.2–3.3%est.
Rosa gallica flower extract—High~1–1.5%est.
Chamomilla recutita extractPlant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritatingHigh~0.8–1.2%est.
Imidazolidinyl ureaA preservative. Is more irritating than many other preservatives availableHigh~0.1–0.45%est.
Menthyl lactateUsed as a fragrance. Can be irritatingHigh~0.1–0.3%est.
Alcohol denat.Produces temporary toning effect. Can help dissolve other ingredients or preserve productsHigh~0.05–0.2%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.1%est.
Disodium cocoamphodiacetateHelps oil and water mix together and works as a cleansing agentMedium~4.2–6.4%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~1.5–2.2%est.
Rubus idaeus fruit extractA fruit extract that might have some anti-oxidant properties but evidence of effectiveness in skin is lackingMedium~1.2–1.9%est.
Hydrolyzed wheat proteinCan help attract water to the upper layer of the skin. Avoid if sensitive to glutenMedium~0.45–1%est.
Disodium edtaStabilizes the product formulationMedium~0.05–0.25%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Sodium laureth sulfateWorks as a foaming cleansing agent2/5~2.3–3.5%est.

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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
Propylene glycol~4.5–6.7%
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
Disodium cocoamphodiacetate~4.2–6.4%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together and works as a cleansing agent

More about Disodium cocoamphodiacetate
Polysorbate 20~2.4–3.7%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Sodium laureth sulfate~2.3–3.5%
Comedogenic 2/5Irritant · high
Irritation risk
High
Comedogenicity
2/5
Works for
Cleansing

Works as a foaming cleansing agent

More about Sodium laureth sulfate
Cocamidopropyl betaine~2.2–3.3%
Irritant · high
Irritation risk
High
Works for
Cleansing

Helps water and oil mix together. Used as a cleansing ingredient. Could be an allergen

More about Cocamidopropyl betaine
Acrylates/c10-30 alkyl acrylate crosspolymer~1.5–2.2%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Rubus idaeus fruit extract~1.2–1.9%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A fruit extract that might have some anti-oxidant properties but evidence of effectiveness in skin is lacking

More about Rubus idaeus fruit extract
Rosa gallica flower extract~1–1.5%
Irritant · high
Chamomilla recutita extract~0.8–1.2%
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
Oak root extract~0.5–1.2%
Formula
Hydrolyzed wheat protein~0.45–1%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Can help attract water to the upper layer of the skin. Avoid if sensitive to gluten

More about Hydrolyzed wheat protein
Cocamidopropylamine oxide~0.45–1.1%
Formula
Irritation risk
Low
Works for
Cleansing
More about Cocamidopropylamine oxide
Peg-20~0.35–0.8%
Formula
Irritation risk
Low
More about Peg-20
Sodium chloride~0.3–0.7%
Formula
Irritation risk
Low

Used to stabilize mixtures of oil and water, and create thicker, gel-like product textures

More about Sodium chloride
Sodium hydroxide~0.15–0.65%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Imidazolidinyl urea~0.1–0.45%
Irritant · high
Irritation risk
High

A preservative. Is more irritating than many other preservatives available

More about Imidazolidinyl urea
Phenoxyethanol~0.1–0.35%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Menthyl lactate~0.1–0.3%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating

More about Menthyl lactate
Disodium edta~0.05–0.25%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Alcohol denat.~0.05–0.2%
Irritant · high
Irritation risk
High

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

More about Alcohol denat.
Parfum~0.05–0.1%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Triclosan~0.05–0.15%
Formula
Irritation risk
Low
More about Triclosan
Ingredient list view

Water, Propylene glycol, Disodium cocoamphodiacetate, Polysorbate 20, Sodium laureth sulfate, Cocamidopropyl betaine, Acrylates/c10-30 alkyl acrylate crosspolymer, Rubus idaeus fruit extract, Rosa gallica flower extract, Chamomilla recutita extract, Oak root extract, Hydrolyzed wheat protein, Cocamidopropylamine oxide, Peg-20, Sodium chloride, Sodium hydroxide, Imidazolidinyl urea, Phenoxyethanol, Menthyl lactate, Disodium edta, Alcohol denat., Parfum, Triclosan

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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
Kerstin FlorianRejuvenating Cleansing GelYOUR PRODUCTSkin VirtueSuper Clear CleanseOnagrineVisibly Pure Purifying Cleansing GelREVOLUTION SKINCARENiacinamide Mattifying Cleansing Gel
Match—46%43%42%
Price——$15.90$10.73
Shared key ingredients—4 of 53 of 53 of 5
Key difference—GlycerinAgran OilNiacinamide
Irritancy High Medium Medium Low
Drying alcohol Contains drying alcohol ———
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 4 studies and safety reviews.

  1. 1
  2. 2
    Propylene Glycolpubmed.ncbi.nlm.nih.gov
  3. 3
  4. 4
Kerstin Florian Rejuvenating Cleansing Gel
Kerstin FlorianRejuvenating Cleansing Gel

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