Ishizawa-Lab

Ishizawa-Lab Sukoyaka Suhada Urea Moisture Lotion

Name: Ishizawa-Lab - Sukoyaka Suhada Urea Moisture Lotion
Brand: Ishizawa-Lab

Efficacy100/100IrritancyMedium

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Works for

1 of 1 advertised claim delivered

Moisturizing

11 ingredients credited for this claim

Strong support

What the product description says

“Sukoyaka Suhada Urea Moisture Lotion”

From product name

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, hydrolyzed hyaluronic acid.

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: ceramide ng, pentylene glycol.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: ceramide ng, urea

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~5–7.4%

Hydroxyethyl ureaKey active· HumectantEffect: HighA derivative of urea, a compound that is naturally present in skin. Attracts water to the upper layer of the skin. Can enhance penetration of other ingredients~0.85–1.3%

UreaHero· HumectantEffect: HighNaturally present in skin (urea makes up about 7% of natural moisturizing factors in skin). Attracts water to the upper layer of the skin. Also has a positive effect on the skin barrier beyond the humectant action. Can enhance penetration of other ingredients. Is an exfoliating ingredient when used in high concentrations~2.2–3.3%

Ceramide ngHero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~1.8–2.8%

Hydrolyzed hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~1.1–1.6%

Malus domestica fruit extractKey activeEffect: HighHelps attract water to the upper layer of the skin~0.3–0.75%

Sodium acetylated hyaluronateKey active· HumectantEffect: HighA type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid~1.3–2%

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~1.5–2.2%

Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~3–4.5%

Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.1–0.35%

Lactic acidUnder-dosedEffect: HighAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.1–0.35%

Exfoliation

Not advertised by the brand · 3 ingredients credited for this claim

Strong support

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.

Hydroxyethyl ureaKey activeEffect: HighA derivative of urea, a compound that is naturally present in skin. Attracts water to the upper layer of the skin. Can enhance penetration of other ingredients~0.85–1.3%

UreaKey activeEffect: MediumNaturally present in skin (urea makes up about 7% of natural moisturizing factors in skin). Attracts water to the upper layer of the skin. Also has a positive effect on the skin barrier beyond the humectant action. Can enhance penetration of other ingredients. Is an exfoliating ingredient when used in high concentrations~2.2–3.3%

Can it cause trouble?

Irritancy

2 strong irritants: Calendula officinalis flower extract, Alcohol

Medium risk

We flagged 10 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

Anthemis nobilis flower extractA plant extract that one one hand, can contain compounds that can help calm down skin irritation, but, on the other hand, its other compounds (especially fragrant ones) can themselves be irritatingHigh~0.45–1.1%est.

Chamomilla recutita flower extractPlant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritatingHigh~0.4–1%est.

Calendula officinalis flower extractA plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritatingHigh~0.35–0.8%est.

Centaurea cyanus flower extractA plant extract that might have antibacterial effect and help neutralize free radicalsHigh~0.35–0.8%est.

Prunus persica leaf extractMight be helpful in supporting collagen and ellastin production but solid research is lacking. Could be irritatingHigh~0.3–0.7%est.

AlcoholCan be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial propertiesHigh~0.05–0.15%est.

Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~3–4.5%est.

Malus domestica fruit extractHelps attract water to the upper layer of the skinMedium~0.3–0.75%est.

Sodium citrateHelps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve productsMedium~0.1–0.45%est.

Lactic acidAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)Medium~0.1–0.35%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

Glycerin~5–7.4%

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

Dipropylene glycol~4.1–6.2%

Formula

Irritation risk: Low

Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying

More about Dipropylene glycol

Pentylene glycol~3–4.5%

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

Urea~2.2–3.3%

Hero · Moisturizing

Irritation risk: Low

Works for

MoisturizingExfoliation

Naturally present in skin (urea makes up about 7% of natural moisturizing factors in skin). Attracts water to the upper layer of the skin. Also has a positive effect on the skin barrier beyond the humectant action. Can enhance penetration of other ingredients. Is an exfoliating ingredient when used in high concentrations

More about Urea

Ceramide ng~1.8–2.8%

Hero · Moisturizing

Irritation risk: Low

Works for

MoisturizingAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide ng

Sodium hyaluronate~1.5–2.2%

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

Sodium acetylated hyaluronate~1.3–2%

Key active

Irritation risk: Low

Works for

Moisturizing

A type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid

More about Sodium acetylated hyaluronate

Hydrolyzed hyaluronic acid~1.1–1.6%

Key active

Irritation risk: Low

Works for

Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin

More about Hydrolyzed hyaluronic acid

Hydroxyethyl urea~0.85–1.3%

Key active

Irritation risk: Low

Works for

MoisturizingExfoliation

A derivative of urea, a compound that is naturally present in skin. Attracts water to the upper layer of the skin. Can enhance penetration of other ingredients

More about Hydroxyethyl urea

St. john's wort flower/leaf/stem extract

Not recognized

Anthemis nobilis flower extract~0.45–1.1%

Irritant · high

Irritation risk: High

Works for

Reduces irritationAnti-inflammatory

A plant extract that one one hand, can contain compounds that can help calm down skin irritation, but, on the other hand, its other compounds (especially fragrant ones) can themselves be irritating

More about Anthemis nobilis flower extract

Columbine flower extract

Not recognized

Chamomilla recutita flower extract~0.4–1%

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 flower extract

Calendula officinalis flower extract~0.35–0.8%

Irritant · high

Irritation risk: High

Works for

Anti-oxidation

A plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritating

More about Calendula officinalis flower extract

Centaurea cyanus flower extract~0.35–0.8%

Irritant · high

Irritation risk: High

Works for

Anti-oxidationAnti-inflammatory

A plant extract that might have antibacterial effect and help neutralize free radicals

More about Centaurea cyanus flower extract

Malus domestica fruit extract~0.3–0.75%

Key activeIrritant · medium

Irritation risk: Medium

Works for

MoisturizingAnti-oxidation

Helps attract water to the upper layer of the skin

More about Malus domestica fruit extract

Prunus persica leaf extract~0.3–0.7%

Irritant · high

Irritation risk: High

Works for

Anti-aging

Might be helpful in supporting collagen and ellastin production but solid research is lacking. Could be irritating

More about Prunus persica leaf extract

Vitis vinifera fruit water~0.15–0.6%

Formula

Irritation risk: Low

More about Vitis vinifera fruit water

Glycyrrhizic acid~0.15–0.55%

Formula

Irritation risk: Low

More about Glycyrrhizic acid

Sodium citrate~0.1–0.45%

Irritant · medium

Irritation risk: Medium

Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products

More about Sodium citrate

Lactic acid~0.1–0.35%

Under-dosedIrritant · medium

Irritation risk: Medium

Works for

ExfoliationEvens skin toneMoisturizingAnti-aging

An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)

More about Lactic acid

Butylene glycol~0.1–0.35%

Formula

Irritation risk: Low

Works for

Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol

Ppg-4-ceteth-20~0.1–0.35%

Formula

Irritation risk: Low

Works for

Cleansing

More about Ppg-4-ceteth-20

Alcohol~0.05–0.15%

Irritant · high

Irritation risk: High

Works for

Antibacterial

Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties

More about Alcohol

Phenoxyethanol~0.05–0.25%

Formula

Irritation risk: Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol

Ingredient list view

Water, Glycerin, Dipropylene glycol, Pentylene glycol, Urea, Ceramide ng, Sodium hyaluronate, Sodium acetylated hyaluronate, Hydrolyzed hyaluronic acid, Hydroxyethyl urea, Unknown, Anthemis nobilis flower extract, Unknown, Chamomilla recutita flower extract, Calendula officinalis flower extract, Centaurea cyanus flower extract, Malus domestica fruit extract, Prunus persica leaf extract, Vitis vinifera fruit water, Glycyrrhizic acid, Sodium citrate, Lactic acid, Butylene glycol, Ppg-4-ceteth-20, Alcohol, Phenoxyethanol

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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
	Ishizawa-LabSukoyaka Suhada Urea Moisture LotionYOUR PRODUCT	Ishizawa LaboratoriesSUKOYAKA SUHADA Urea Moisture Lotion
Match	—	60%
Price	$30.00	—
Shared key ingredients	—	6 of 8
Key difference	—	Dipotassium Glycyrrhizate
Irritancy	Medium	High
Drying alcohol	Contains drying alcohol	Contains drying alcohol
	View product	Shop

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Product summary

Judging from the ingredient list, "Ishizawa-Lab - Sukoyaka Suhada Urea Moisture Lotion" works well for improving skin hydration This moisturizer uses a good combo of humectants and emollients. These both types of ingredients are essentials for improving the skin hydration and keeping the skin barrier healthy. Humectants in this product (urea, glycerin, hydrolyzed hyaluronic acid, hydroxyethyl urea and sodium acetylated hyaluronate) help to increase the water content in the upper layer of the skin. (These ingredients do so by "capturing" water molecules from the outside air or from within the deeper layers of the skin). Ceramide ng and pentylene glycol in this product help decrease the water evoporation from the skin, so that it stays hydrated for longer. These ingredients also soften the skin and take away the feeling of tightness and dryness.

Ingredient callouts

As a plus, this moisturizer also contains Ceramides (ceramide ng 1.80% - 2.80%). Ceramides are a type of lipids that our skin produces itself. They are a building block of the skin's barrier. Ceramides used in skincare are synthetic or extracted from plants. They work well for softening the skin surface and "patch holes" in the skin's barrier.

This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: lactic acid

Irritation risk

There are some common irritants in this product, including ingredients that do not have benefits for the skin. We assess the overall irritancy of this moisturizer to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.