bareMinerals Prime Time - Original Pore Minimizing Primer Versus Rare Beauty Pore Diffusing Primer - Always an Optimist Collection
Updated on March 19, 2024
Overview
What they are
These products are both cruelty-free and reef safe face primers. They have a total of 9 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 and scar healing
Free From
They both do not contain any harsh alcohols, common allergens, parabens 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
bareMinerals Prime Time 21 ingredients
Rare Beauty Pore Diffusing Primer - Always an Optimist Collection 30 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
bareMinerals Prime Time 21 ingredients
Rare Beauty Pore Diffusing Primer - Always an Optimist Collection 30 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningPropanediol
Solvent
Dimethicone
Emollient
Isopentyldiol
Humectant
Sodium Acrylates Crosspolymer-2
AbsorbentButylene Glycol
Humectant
Glycerin
Humectant
Dimethicone/Vinyl Dimethicone Crosspolymer
Skin Conditioning
Epilobium Fleischeri Extract
Skin ConditioningAgave Tequilana Leaf Extract
AstringentBarosma Betulina Leaf Extract
Perfuming
Tocopherol
Antioxidant
Citric Acid
Buffering
Xanthan Gum
EmulsifyingCarbomer
Emulsion StabilisingDimethicone Crosspolymer
Emulsion Stabilising
Silica
Abrasive
Isoceteth-10
EmulsifyingHydroxyacetophenone
Antioxidant
Caprylyl Glycol
EmollientPotassium Sorbate
Preservative
Water, Propanediol, Dimethicone, Isopentyldiol, Sodium Acrylates Crosspolymer-2, Butylene Glycol, Glycerin, Dimethicone/Vinyl Dimethicone Crosspolymer, Epilobium Fleischeri Extract, Agave Tequilana Leaf Extract, Barosma Betulina Leaf Extract, Tocopherol, Citric Acid, Xanthan Gum, Carbomer, Dimethicone Crosspolymer, Silica, Isoceteth-10, Hydroxyacetophenone, Caprylyl Glycol, Potassium Sorbate
Water
Skin ConditioningDimethicone
Emollient
Methyl Trimethicone
Skin Conditioning
Dipropylene Glycol
MaskingGlycerin
Humectant
Butylene Glycol
Humectant
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
Dimethicone/Vinyl Dimethicone Crosspolymer
Skin Conditioning
Cetyl PEG/PPG-10/1 Dimethicone
Emulsifying
Sodium Chloride
Masking
Dimethicone/PEG-10/15 Crosspolymer
Silica
Abrasive
Propanediol
Solvent
Sodium Benzoate
Masking
Potassium Sorbate
Preservative
Tocopheryl Acetate
Antioxidant
Eclipta Prostrata Extract
Skin ConditioningGlyceryl Acrylate/Acrylic Acid Copolymer
HumectantParfum
Masking
Camellia Sinensis Leaf Extract
Antimicrobial
Sodium Citrate
BufferingMelia Azadirachta Leaf Extract
Skin ConditioningHyaluronic Acid
Humectant
Hydrolyzed Hyaluronic Acid
Humectant
Sodium Hyaluronate
Humectant
Gardenia Florida Fruit Extract
Skin ConditioningNelumbo Nucifera Flower Extract
Skin ConditioningNymphaea Odorata Root Extract
RefreshingMoringa Oleifera Seed Oil
Emollient
Tocopherol
Antioxidant
Water, Dimethicone, Methyl Trimethicone, Dipropylene Glycol, Glycerin, Butylene Glycol, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Dimethicone/Vinyl Dimethicone Crosspolymer, Cetyl PEG/PPG-10/1 Dimethicone, Sodium Chloride, Dimethicone/PEG-10/15 Crosspolymer, Silica, Propanediol, Sodium Benzoate, Potassium Sorbate, Tocopheryl Acetate, Eclipta Prostrata Extract, Glyceryl Acrylate/Acrylic Acid Copolymer, Parfum, Camellia Sinensis Leaf Extract, Sodium Citrate, Melia Azadirachta Leaf Extract, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Gardenia Florida Fruit Extract, Nelumbo Nucifera Flower Extract, Nymphaea Odorata Root Extract, Moringa Oleifera Seed Oil, Tocopherol
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Learn more about Butylene GlycolDimethicone is a type of synthetic silicone created from natural materials such as quartz.
What it does:
Dimethicone comes in different viscosities:
Depending on the viscosity, dimethicone has different properties.
Ingredients lists don't always show which type is used, so we recommend reaching out to the brand if you have questions about the viscosity.
This ingredient is unlikely to cause irritation because it does not get absorbed into skin. However, people with silicone allergies should be careful about using this ingredient.
Note: Dimethicone may contribute to pilling. This is because it is not oil or water soluble, so pilling may occur when layered with products. When mixed with heavy oils in a formula, the outcome is also quite greasy.
Learn more about DimethiconeThis ingredient is a silicone used to improve the texture of products and absorb oil. It does not get absorbed into the skin.
Like other silicones, Dimethicone/Vinyl Dimethicone Crosspolymer helps condition the skin by creating a barrier. In this sense, it can act as an emollient and trap moisture in.
This ingredient is a type of elastomer.
Learn more about Dimethicone/Vinyl Dimethicone CrosspolymerGlycerin 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 GlycerinPotassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
This ingredient comes from potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.
Both potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.
You'll often find this ingredient used with other preservatives.
Learn more about Potassium SorbatePropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.
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 PropanediolSilica 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 SilicaTocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.
Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.
You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.
There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.
Learn more about TocopherolWater. 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
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When to use
bareMinerals Prime Time 21 ingredients
Rare Beauty Pore Diffusing Primer - Always an Optimist Collection 30 ingredients
Reviews
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