Overview
Suited For
They're both likely to be good for dry skin and brightening skin
Free From
They both do not contain any common allergens, oils or sulfates
What's Inside
They both contain fragrances and silicones
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Simple Skincare Water Boost Skin Quench Sleeping Cream 33 ingredients
Hada Labo Koi-Gokujyun Perfect Gel (Renewal) 30 ingredients
At a glance
Click on any of the items below to learn more
Simple Skincare Water Boost Skin Quench Sleeping Cream 33 ingredients
Hada Labo Koi-Gokujyun Perfect Gel (Renewal) 30 ingredients
Notable Ingredients
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Benefits
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Concerns
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Benefits
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Concerns
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Ingredients Side-by-side
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Ammonium Acryloyldimethyltaurate/Vp Copolymer (let's call it AAVC for short) is a synthetically created polymer. It's used as a film-forming agent and used to thicken the consistency of products.
Isohexadecane is added to enhance texture, emulsify, and to help cleanse. It is an isoparrafin. It is a component of petrolatum.
Dimethicone/Vinyl Dimethicone Crosspolymer is a silicone used to improve the texture of products and absorb oil. It does not get absorbed into the skin.
Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
Antioxidant Helps brighten skin
Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
We don't have a description for Ammonium Acryloyldimethyltaurate Crosspolymer.
3 Concerns
Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Benzophenone-4 is a water-soluble chemical sunscreen.
We don't have a description for Linoleamidopropyl Pg-Dimonium Chloride Phosphate.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.
Dimethiconol is a silicone that resembles the popular dimethicone. Like other silicones, it is an emollient. Emollients create a thin film on skin to prevent moisture from escaping.
Cetearyl Glucoside is a surfactant and emulsifier. It can be produced from synthetic of natural sources of cetearyl alcohol and glucose.
BHT is a synthetic antioxidant. As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.
C12-14 Pareth-12 is created from a mixture of synthetic C12-14 alcohols that have about 12 moles of ethylene oxide.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
Fragrance
T-Butyl Alcohol it is most commonly used as a solvent.
Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol.
Glucose is a simple sugar and is the most important source of energy in all organisms.
Potassium Chloride can be bad for oily skin and be bad for acne prone skin.
Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.
Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
6 Benefits 3 Concerns
Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
Water, Dimethicone, Glycerin, Butylene Glycol, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Isohexadecane, Dimethicone/Vinyl Dimethicone Crosspolymer, Caprylic/Capric Triglyceride, Saccharide Isomerate, Phenoxyethanol, Caprylyl Glycol, Tocopheryl Acetate, Ammonium Acryloyldimethyltaurate Crosspolymer, Cetearyl Alcohol, Benzophenone-4, Linoleamidopropyl Pg-Dimonium Chloride Phosphate, Propylene Glycol, Stearic Acid, Dimethiconol, Cetearyl Glucoside, BHT, Disodium EDTA, Sodium PCA, C12-14 Pareth-12, Citric Acid, Sodium Citrate, T-Butyl Alcohol, Chlorphenesin, Glucose, Potassium Chloride, Sodium Chloride, Sodium Benzoate, Lactic Acid
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
Triethylhexanoin is created from glycerin and 2-ethylhexanoic acid. It is a solvent and emollient.
Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.
Ammonium Acryloyldimethyltaurate/Vp Copolymer (let's call it AAVC for short) is a synthetically created polymer. It's used as a film-forming agent and used to thicken the consistency of products.
A type of fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product. They are usually derived from natural fats and oils and therefore do not have the same drying or irritating effect as traditional alcohols.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Hydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.
Hydrolyzed collagen has a misleading name because it is actually a mixture of various proteins/peptides. This ingredient has skin hydrating properties.
4 Benefits
Glucosyl Ceramide is a ceramide. It can be good for be good for dry skin and be good for sensitive skin. It can help to reduce redness and reduce the effects of aging.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
Dimethicone Crosspolymer is a silicone created by modifying dimethicone with hydrocarbon side chains. Due to its large size, it does not penetrate skin. It is considered non-occlusive.
Agar is the vegan substitute for animal-gelatin. It helps thicken and improve the texture of cosmetics.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
Succinic acid is an odorless white powder. It is naturally found in our bodies but can also be derived from living organisms.
Paraben 2 Concerns
Methylparaben is a preservative and is a paraben. It is used to prevent the growth of fungus, mold, and other harmful bacteria. Parabens are chemicals used as preservatives in both cosmetics and food.
Water, Butylene Glycol, Glycerin, Hydroxyethyl Urea, Pentylene Glycol, Ppg-10 Methyl Glucose Ether, Triethylhexanoin, Squalane, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Behenyl Alcohol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Hydroxypropyltrimonium Hyaluronate, Hydrolyzed Collagen, Glucosyl Ceramide, Aphanothece Sacrum Polysaccharide, Dimethicone, Ppg-17-Buteth-17, Triethyl Citrate, Cyclopentasiloxane, Phenoxyethanol, Disodium Succinate, Dimethicone Crosspolymer, Agar, Disodium EDTA, Succinic Acid, Alpha-Glucan, Ammonium Acrylates Copolymer, Methylparaben
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterDimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinButylene Glycol (or BG) is used within cosmetic products for a few different reasons:
- It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
- It is a humectant, which means that it helps attract moisture into the skin.
- It helps improve product application.
Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.
Ammonium Acryloyldimethyltaurate/Vp Copolymer (let's call it AAVC for short) is a synthetically created polymer. It's used as a film-forming agent and used to thicken the consistency of products.
AAVC is able to increase the consistency and viscosity of products due to its large molecule size. It also prevents ingredients from separating.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.
Disodium EDTA is a salt of edetic acid and is found to be safe in cosmetic ingredients.
Learn more about Disodium EDTAIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Simple Skincare Water Boost Skin Quench Sleeping Cream 33 ingredients
Hada Labo Koi-Gokujyun Perfect Gel (Renewal) 30 ingredients
Reviews
Here's what our community thinks
Simple Skincare Water Boost Skin Quench Sleeping Cream 33 ingredients
Hada Labo Koi-Gokujyun Perfect Gel (Renewal) 30 ingredients
lisamj
I have used this moisturizer for 3+ years and its amazing for sensitive skin. Love the slimy texture, its light, hydrating, gives your skin a great...
I have used this moisturizer for 3+ years and its amazing for sensitive skin. Love the slimy texture, its light, hydrating, gives your skin a great glow and feels very calming.
Taynara Motta
It's one of my favorite moisturizers. I like its gel consistency and how it's easy absorbed by the skin. It doesn't feel greasy or heavy, it's not...
It's one of my favorite moisturizers. I like its gel consistency and how it's easy absorbed by the skin. It doesn't feel greasy or heavy, it's not sticky and I feel my skin really plumpy afterwards.
