The INKEY List CA Acne Solution

The INKEY List CA Acne Solution

Efficacy87/100IrritancyMedium

Works for

Anti-blemish
Benzoyl peroxide
Works well
What the product description says
“5% Benzoyl Peroxide: Kills acne-causing bacteria, helping to both treat existing breakouts and prevent new ones.”
Source: The Inkey list

This product can help reduce breakouts and clogged pores because it contains the following ingredient: benzoyl peroxide. This ingredient is used for treating acne and can have a noticeable effect.

Benzoyl peroxideHeroEffect: HighA potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritating~3.7–5.5%
Moisturizing
Glycerin, Hydrolyzed sodium hyaluronate + 2 more
Works
What the product description says
“5% Glycerin: Helps combat the drying effects of Benzoyl Peroxide by drawing water into the skin.”
Source: The Inkey list

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

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).

GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~3.9–5.8%
Hydrolyzed sodium hyaluronateKey activeEffect: HighAttracts water into the upper layer of the skin~0.05–0.2%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.05–0.15%
Stearic acid· EmollientEffect: LowHelps oil and water mix together and works as an emollient~1.9–2.9%

Can it cause trouble?

Irritancy
1 strong irritant: Benzoyl peroxide
Medium risk
We flagged 6 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Benzoyl peroxideA potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritatingHigh~3.7–5.5%est.
Decyl glucosideHelps oil and water mix together. Can be irritatingHigh~2.3–3.4%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~1.1–1.6%est.
EthylhexylglycerinA preservativeMedium~0.4–0.95%est.
Trisodium ethylenediamine disuccinateUsed to improve stability of the formulationMedium~0.1–0.4%est.
T-butyl alcoholUsed to dissolve other ingredients and to improve smell of products. It could be irritatingMedium~0.01–0.1%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

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Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~3.9–5.8%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Benzoyl peroxide~3.7–5.5%
Hero · Anti-blemishIrritant · high
Irritation risk
High
Works for
Anti-blemish

A potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritating

More about Benzoyl peroxide
Sodium laurylglucosides hydroxypropylsulfonate~2.8–4.2%
Formula
Decyl glucoside~2.3–3.4%
Irritant · high
Irritation risk
High
Works for
Cleansing

Helps oil and water mix together. Can be irritating

More about Decyl glucoside
Stearic acid~1.9–2.9%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Phenoxyethanol~0.5–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Acrylates/c10-30 alkyl acrylate crosspolymer~1.1–1.6%
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
Polyacrylate crosspolymer-6~0.85–1.3%
Formula
Sodium chloride~0.55–1.25%
Formula
Irritation risk
Low

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

More about Sodium chloride
Ethylhexylglycerin~0.4–0.95%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Sodium hydroxide~0.2–0.8%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Polyquaternium-10~0.15–0.6%
Formula
Irritation risk
Low

Helps soften the upper layer of the skin and create a nice product finish

More about Polyquaternium-10
Trisodium ethylenediamine disuccinate~0.1–0.4%
Irritant · medium
Irritation risk
Medium

Used to improve stability of the formulation

More about Trisodium ethylenediamine disuccinate
Hydrolyzed sodium hyaluronate~0.05–0.2%
Key active
Irritation risk
Low
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Hydrolyzed sodium hyaluronate
Sodium hyaluronate~0.05–0.15%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
T-butyl alcohol~0.01–0.1%
Irritant · medium
Irritation risk
Medium

Used to dissolve other ingredients and to improve smell of products. It could be irritating

More about T-butyl alcohol
Ingredient list view

Water, Glycerin, Benzoyl peroxide, Sodium laurylglucosides hydroxypropylsulfonate, Decyl glucoside, Stearic acid, Phenoxyethanol, Acrylates/c10-30 alkyl acrylate crosspolymer, Polyacrylate crosspolymer-6, Sodium chloride, Ethylhexylglycerin, Sodium hydroxide, Polyquaternium-10, Trisodium ethylenediamine disuccinate, Hydrolyzed sodium hyaluronate, Sodium hyaluronate, T-butyl alcohol

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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
The INKEY List CAAcne SolutionYOUR PRODUCTMarini SkinSolutionsDualityFace Reality Skincare Professional5% Advanced Acne MedLa Roche-PosayEffaclar Duo Dual Acne Treatment with Benzoyl Peroxide
Match—57%56%56%
Price—$120.00$30.00$30.99
Shared key ingredients—3 of 43 of 42 of 4
Key difference—RetinolBisabololCapryloyl Salicylic Acid
Irritancy Medium Medium Medium Medium
Drying alcohol————
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More alternatives: Paula's choice Resist Advanced Smoothing Treatment 10% AHAClinique Acne Solutions All-Over Clearing Treatment Oil-Free

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Product summary

"The INKEY List USA - Acne Solution" is effective for: Anti-blemish

This product could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Humectants (sodium hyaluronate 0.05% - 0.15% and glycerin 3.90% - 5.80%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

The INKEY List CA Acne Solution
The INKEY List CAAcne Solution

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