Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ PA++++ Versus KUMANO COSME Reihaku Hatomugi UV Milky Gel SPF 31 PA+++
Updated on March 13, 2025
Overview
What they are
These products are both sunscreens. They have a total of 6 ingredients in common
Cool Features
They both contain hyaluronic acid and SPF
Suited For
They're both likely to be good for dry skin
Free From
They both do not contain any common allergens or sulfates
What's Inside
They both contain fragrances, oils 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
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ PA++++ 43 ingredients
KUMANO COSME Reihaku Hatomugi UV Milky Gel SPF 31 PA+++ 23 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ PA++++ 43 ingredients
KUMANO COSME Reihaku Hatomugi UV Milky Gel SPF 31 PA+++ 23 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
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 WaterButylene 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.
- It has mild preservative properties.
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateAcrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products. Due to its properties, it can prevent water and oil ingredients from separating.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.
Learn more about Xanthan GumCarbomer is a polymer of acrylic acid. Its main role is to create a gel consistency.
A high amount of carbomer can cause pilling or balling up of products. Don't worry, most products contain 1% or less of carbomer.
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ PA++++ 43 ingredients
KUMANO COSME Reihaku Hatomugi UV Milky Gel SPF 31 PA+++ 23 ingredients

Reviews
Here's what our community thinks
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ PA++++ 43 ingredients
The sunscreen has a very watery consistency (as the name would suggest) leading to it feeling weightless on the skin, it applies beautifully without any white cast, and is cosmetically brilliant under makeup. BE WARNED, this product has a noticeable sunscreen scent that depending on what you’re used to may or may not be tolerable. This sunscreen also has significant shine, it’s perfect for my dry Show more
Finger crossed. I will give it a chance even thouth it contain potentially clog poring ingredients sush as Olea Europaea Fruit Oil and propylene glycol which known as pore cloggers. JUST Stared using it today a lot of mixed review some of comments looks suspicous here to be honest. Pray for me guys, cause i am honestly tired of spending my money.