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La Roche-Posay Anthelios UVMune 400 Hydrating Cream SPF 50+ Sun Cream Versus Neutrogena Hydro Boost Water Gel Lotion SPF 50 - US

Sunscreen
Sunscreen
French Brand France
American Brand United States

Updated on February 03, 2025

Overview

What they are

These products are both sunscreens. They have a total of 7 ingredients in common

Cool Features

They both contain exfoliants and Vitamin E

Suited For

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, oily skin and scar healing

Free From

They both do not contain any common allergens, oils, parabens or sulfates

What's Inside

They both contain harsh alcohols 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

Click any item below to learn more and see relevant ingredients

What's inside (and what isn't)

What's inside (and what isn't)

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Concerns

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Anthelios UVMune 400 Hydrating Cream SPF 50+ Sun Cream

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Skin Conditioning, Solvent

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 Water
Antimicrobial, Astringent, Masking

Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.

This ingredient gets a bad rep because it is irritating and drying - mostly due to its astringent property. Astringents draw out natural oils in tissue, constricting pores and leaving your skin dried out.

However, alcohol denat. is not all that bad.

Due to its low molecular weight, alcohol denat. tends to evaporate quickly. One study on pig skin found half of applied alcohol evaporated in 10 seconds and less than 3% stayed on skin.

This also helps other ingredients become better absorbed upon application.

Studies are conflicted about whether this ingredient causes skin dehydration. One study from 2005 found adding emollients to propanol-based sanitizer decreased skin dryness and irritation. Another study found irritation only occurs if your skin is already damaged.

Small amounts of alcohol are generally tolerated by oily skin or people who live in humid environments.

The rule of thumb is if this alcohol is near the end of an ingredients list, it will probably not affect your skin much.

Also...

This ingredient has antimicrobial and solvent properties.

The antimicrobial property helps preserve products and increase their shelf life. As a solvent, it helps dissolve other ingredients.

Other types of astringent alcohols include:

Learn more about Alcohol Denat.
Emollient, Masking, Skin Conditioning

Diisopropyl Adipate comes from isopropyl alcohol and Adipic Acid.

It is a solvent and emollient. As a solvent, it is used to help other ingredients dissolve into the solution. It is also often used to soften hard ingredients.

Emollients help hydrate the skin by creating a thin barrier. This thin barrier prevents moisture from escaping.

Learn more about Diisopropyl Adipate
Humectant, Skin Conditioning, Skin Protecting

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 Glycerin

Aluminum Starch Octenylsuccinate is a synthetic powder used as an absorbent, thickener, and anti-caking agent.

As an absorbent, it is great at mattifying skin by soaking up the oil. This is why you'll find it in a range of products from makeup to moisturizers.

This ingredient is considered a modified starch. Starch can also be found naturally in plants.

One study from 1991 found that 5% of this ingredient enhanced titanium dioxide SPF by as much as 40%. The study found 1% titanium dioxide had a 5.6 SPF and adding 5% of aluminum starch octenylsuccinate boosted it to an SPF of 8.1

Although “aluminum” in an ingredient name can raise red flags for some consumers, the form and usage context matter significantly. For typical topical applications, there is no substantial evidence of health risks - such as cancer, neurotoxicity, or systemic “aluminum overload.”

Learn more about Aluminum Starch Octenylsuccinate
Abrasive, Absorbent

Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.

Silica is often used for absorption and can help reduce shine when products are applied. Silica occurs in naturally in materials like clay and sandstone, and it can also be produced synthetically.

Silica is present naturally within the skin during collagen production and when reducing inflammation.

Learn more about Silica
Antioxidant

Hydroxyacetophenone is antioxidant with skin conditioning and soothing properties. It also boosts the efficiency of preservatives.

This ingredient is not irritating or sensitizing.

When to use

281 Routines
98% use in am
2% use in pm
98% use every day
When to use See routines that use it ->
65 Routines
100% use in am
0% use in pm
92% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

La Roche-Posay Anthelios UVMune 400 Hydrating Cream SPF 50+ Sun Cream 27 ingredients

3.4 /5
from 9 ratings
Hydrating (3) Works Well (3) Light Scent (2)
NannaBanana's avatar

NannaBanana

7 months ago
Review

It makes me feel sticky all day unless I spend a long time fanning my face. It does not apply smoothly, you need a lot of pumps just to cover your face, and the packaging is not very big.

#heavy
#sticky
#oily
Randa_652's avatar

Randa_652

2 years ago
Review

Brightening and makes skin look smooth and poreless

Neutrogena Hydro Boost Water Gel Lotion SPF 50 26 ingredients

2.3 /5
from 3 ratings
Heavy (1) Hydrating (1) Irritating (1)
CaroleD's avatar

CaroleD

1 year ago
Review

If you have oily skin, do not use!

It is super greasy and it feels impossible to apply enough without ending up like a disco ball.

It somehow always ends up in my eyes and burns like mad.

If you have dry skin, you may find it very hydrating.

#hydrating
#heavy
#sticky
#oily
kassia's avatar

Kassia

4 months ago
Review

As with most other Hydro Boost products, this is hydrating with a lovely light scent and pleasant gel consistency, plus the added benefit of leaving no cast at all. However, if it gets anywhere even remotely close to the eyes (and I mean remotely), said eyes will burn and sting until kingdom come.

#irritating