Dr. Dennis Gross Skincare All-Physical Ultimate Defense Broad Spectrum Sunscreen SPF 50 Versus P.Calm Water Barrier Sun Cream SPF50+ PA++++
Updated on January 22, 2024
Overview
What they are
These products are both sunscreens. They have a total of 5 ingredients in common
Cool Features
They both contain SPF
Suited For
They're both likely to be good for fighting acne, dry skin, sensitive skin, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates
What's Inside
They both contain 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
Dr. Dennis Gross Skincare All-Physical Ultimate Defense Broad Spectrum Sunscreen SPF 50 29 ingredients
P.Calm Water Barrier Sun Cream SPF50+ PA++++ 38 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
Dr. Dennis Gross Skincare All-Physical Ultimate Defense Broad Spectrum Sunscreen SPF 50 29 ingredients
P.Calm Water Barrier Sun Cream SPF50+ PA++++ 38 ingredients
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.
Butyloctyl Salicylate is a chemical UV filter structurally similar to octisalate. It is a photostabilizer, SPF booster, emollient and solvent. This ingredient helps evenly spread out ingredients.
According to a manufacturer, it is suitable for pairing with micro Titanium Dioxide, Zinc Oxide, and pigments.
Photostabilizers help stabilize UV-filters and prevents them from degrading quickly.
Learn more about Butyloctyl SalicylateEthylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.
Polymethylsilsesquioxane is a silicone used as a film forming agent.
When applied to the skin, this ingredient creates an invisible film on the surface. This film still allows oxygen to pass through, but prevents moisture from escaping. This can help condition and hydrate the skin. It also leaves a silky feel when applied.
Polymethylsilsesquioxane has not been shown to clog pores. It has been deemed safe to use up to 55%, but most cosmetics use much less.
If you have concerns about using this ingredient, we recommend speaking with a professional.
Learn more about PolymethylsilsesquioxanePropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.Â
It’s often used to:
Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.
Learn more about PropanediolWater. 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 WaterIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Dr. Dennis Gross Skincare All-Physical Ultimate Defense Broad Spectrum Sunscreen SPF 50 29 ingredients
P.Calm Water Barrier Sun Cream SPF50+ PA++++ 38 ingredients

Reviews
Here's what our community thinks
Dr. Dennis Gross Skincare All-Physical Ultimate Defense Broad Spectrum Sunscreen SPF 50 29 ingredients
Be the first to review All-Physical Ultimate Defense Broad Spectrum Sunscreen SPF 50
Write the first review