

Judging from the ingredient list, "Rohto Mentholatum - Hada Labo Gokujyun Premium Emulsion" works well for improving skin hydration The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Humectants in this product (arginine, glycerin, hyaluronic acid, hydrolyzed hyaluronic acid and sodium 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). Emollients in this formulation (paraffinum liquidum, arginine, dimethicone, palmitic acid and pentylene glycol) help to reduce the moisture loss from the skin. They also soften the skin surface and relieve the feeling of dryness and tightness.
This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: allantoinThis product does not contain known common irritants and is suitable for sensitive skin. We assess the overall irritancy of this moisturizer to be low. 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.
The product retails for 16.20$ in the United States.
For a detailed price comparison: click here.
Emulsion provides long-lasting hydration with seven kinds of hyaluronic acid including fermented hyaluronic acid.
Source: Yesstyle
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:
arginine, glycerin.
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: arginine, dimethicone.
The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: paraffinum liquidum
Helps soften the upper layer of the skin
An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
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
Used to preserve products, dissolve other ingredients and create a nice product texture
An emollient that is naturally present in skin and helps soften it
Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
| Promise | Can it deliver? |
|---|---|
| Moisturizing |
Total Promises Fulfilled score: 100/100.
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No comedogenic ingredients detected
Averages from community submissions.
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|---|---|---|---|
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Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function
Helps soften the upper layer of the skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin
Used to preserve products, dissolve other ingredients and create a nice product texture
We couldn't find any comedogenic ingredients in this product
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying
Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
Helps form a film on the surface of the skin and disperse other ingredients (like colorants) in cosmetics. Lac is a resinous substance secreted by parasite insects living on trees
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation
Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
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
An emollient that is naturally present in skin and helps soften it
An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin
Used to preserve products, dissolve other ingredients and create a nice product texture
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
Used to thicken product formulations and create gel-like textures
A preservative. It helps prevent bacterial growth in cosmetic products
Water, Glycerin, Dipropylene glycol, Paraffinum liquidum, Dimethicone, Triethylhexanoin, Sodium hyaluronate, Hydrolyzed hyaluronic acid, Hyaluronic acid, Unknown, Sodium hyaluronate, Hyaluronic acid, Lac, Hyaluronic acid, Hydrolyzed hyaluronic acid, Tin, Hyaluronic acid, Allantoin, Butylene glycol, Palmitic acid, Arginine, Pentylene glycol, Carbomer, Hydroxyethylcellulose, Disodium edta, Cetyl phosphate, Phenoxyethanol

