Tarte Amazonian Clay 16-Hour Full Coverage Foundation Versus Rimmel London Stay Matte Liquid Mousse Foundation
What's inside
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Cyclopentasiloxane
Emollient
Water
Skin ConditioningIsododecane
EmollientButylene Glycol
Humectant
Dimethicone
Emollient
Polymethyl Methacrylate
Polysilicone-11
PEG-9 Polydimethylsiloxyethyl Dimethicone
Emulsifying
Trimethylsiloxysilicate
Emollient
Dimethicone/PEG-10/15 Crosspolymer
Phenoxyethanol
Preservative
Magnesium Sulfate
Hdi/Trimethylol Hexyllactone Crosspolymer
Aluminum Hydroxide
EmollientSodium Citrate
BufferingParfum
Masking
Tocopheryl Acetate
Antioxidant
C24-28 Alkyl Methicone
Emollient
Triethoxycaprylylsilane
Ethylhexylglycerin
Skin ConditioningKaolin
Abrasive
Dipropylene Glycol
HumectantSilica
Abrasive
Benzyl Salicylate
Perfuming
Hexyl Cinnamal
Perfuming
Limonene
Perfuming
Hydroxycitronellal
Perfuming
Geraniol
Perfuming
Tocopherol
Antioxidant
Amyl Cinnamal
Perfuming
Linalool
Perfuming
Titanium Dioxide
Cosmetic Colorant
Iron Oxides
Cyclopentasiloxane, Water, Isododecane, Butylene Glycol, Dimethicone, Polymethyl Methacrylate, Polysilicone-11, PEG-9 Polydimethylsiloxyethyl Dimethicone, Trimethylsiloxysilicate, Dimethicone/PEG-10/15 Crosspolymer, Phenoxyethanol, Magnesium Sulfate, Hdi/Trimethylol Hexyllactone Crosspolymer, Aluminum Hydroxide, Sodium Citrate, Parfum, Tocopheryl Acetate, C24-28 Alkyl Methicone, Triethoxycaprylylsilane, Ethylhexylglycerin, Kaolin, Dipropylene Glycol, Silica, Benzyl Salicylate, Hexyl Cinnamal, Limonene, Hydroxycitronellal, Geraniol, Tocopherol, Amyl Cinnamal, Linalool, Titanium Dioxide, Iron Oxides
Cyclopentasiloxane
Emollient
Dicaprylyl Ether
Emollient
Water
Skin ConditioningIsododecane
EmollientTalc
Abrasive
Trihydroxystearin
Skin Conditioning
Disteardimonium Hectorite
StabilisingDimethicone/Vinyl Dimethicone Crosspolymer
Skin Conditioning
Silica Dimethyl Silylate
EmollientEthylhexyl Methoxycinnamate
UV Absorber
Polyglyceryl-3 Beeswax
Emulsifying
Sorbitan Sesquioleate
Emulsifying
Trimethylsiloxysilicate
Emollient
Kaolin
Abrasive
Tribehenin
Emollient
Aluminum Starch Octenylsuccinate
Absorbent
Propylene Carbonate
SolventPEG-10 Dimethicone
Skin Conditioning
Caprylyl Glycol
Emollient
Polypropylene
Phenoxyethanol
Preservative
Methyl Methacrylate Crosspolymer
Sodium Chloride
MaskingDimethiconol
Emollient
Laureth-4
Emulsifying
BHT
Antioxidant
Tocopherol
Antioxidant
CI 77891
Cosmetic ColorantIron Oxides
Cyclopentasiloxane, Dicaprylyl Ether, Water, Isododecane, Talc, Trihydroxystearin, Disteardimonium Hectorite, Dimethicone/Vinyl Dimethicone Crosspolymer, Silica Dimethyl Silylate, Ethylhexyl Methoxycinnamate, Polyglyceryl-3 Beeswax, Sorbitan Sesquioleate, Trimethylsiloxysilicate, Kaolin, Tribehenin, Aluminum Starch Octenylsuccinate, Propylene Carbonate, PEG-10 Dimethicone, Caprylyl Glycol, Polypropylene, Phenoxyethanol, Methyl Methacrylate Crosspolymer, Sodium Chloride, Dimethiconol, Laureth-4, BHT, Tocopherol, CI 77891, Iron Oxides
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Cyclopentasiloxane, or D5, is a silicone used to improve texture of products and trap moisture.
D5 is considered lightweight and volatile. Volatile means it evaporates quickly after application. Once evaporated, D5 leaves a thin barrier that helps keep skin hydrated.
It is also an emollient. Emollients help soften the skin and prevent water loss. Silicones create a silky texture in products. D5 helps other ingredients become more spreadable.
Studies show D5 is safe to use in skincare products. We recommend speaking with a skincare professional if you have concerns.
Learn more about CyclopentasiloxaneIsododecane is a fragrance, emollient, and solvent.
As an emollient, it helps your skin stay soft and hydrated. Emollients help trap moisture into your skin.
Isododecane's role as a solvent makes it a great texture enhancer. It spreads smoothly on skin and does not leave a sticky feeling behind. Isododecane also helps prevent color transfer in makeup products.
Isododecane is not absorbed into skin.
The chemical name for this ingredient is 2,2,4,6,6-PENTAMETHYLHEPTANE.
Learn more about IsododecaneKaolin is a clay. It is used for oil control and to help minimize pores. Like other clays, kaolin has the ability to absorb excess sebum or oil. This can help clean out pores and mattify the skin.
Some types of kaolin may have exfoliating properties. When water is added to kaolin, it becomes a paste with small abrasive particles.
Most kaolin is a white color, but may be pink/orange/red depending on where it comes from.
The name 'kaolin' comes from a Chinese village named 'Gaoling'. Kaolin clay comes from rocks rich in kaolinite. Kaolinite, the mineral, has a silicate layered structure. Kaolinite is formed from chemical weathering of aluminum siilicate minerals.
Besides skincare, kaolin is commonly used to make glossy paper, in ceramics, toothpaste, and as medicine to soothe stomach issues.
Learn more about KaolinPhenoxyethanol 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.
Tocopherol is a fat-soluble antioxidant known as Vitamin E.
You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.
Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.
It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.
This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.
This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.
In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.
Concentrations usually range from 0.1-1% in most leave-on products.
Learn more about TocopherolThis silicone is an emollient. Emollients create a thin film on the skin to prevent moisture from escaping.
It is not soluble in water and helps increase water-resistance in products.
According to a manufacturer, it can blend seamlessly with silicone oils, such as Cyclopentasiloxane.
Learn more about TrimethylsiloxysilicateWater. 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. Remember to stay hydrated!
Learn more about WaterThis ingredient is a combination of red, black, and yellow iron oxide pigments. This combination of colors is usually found in foundation, because it results in a "skin" color.
The EU typically uses CI numbers for colorants when applicable, such as CI 77489. In the US, iron oxides are regulated as color additives and "iron oxides" is the most commonly used name in US cosmetic practice.
A 2021 paper looked at skincare formulations containing iron oxides and found that they reduced transmission of blue light when measured optically. In simple terms, the pigment particles helped block or scatter part of the visible light spectrum in lab testing and the authors suggest this could translate into better protection against blue-light-related skin effects.
There is also clinical and experimental research showing that tinted products containing iron oxides can reduce visible light-induced pigmentation:
Please note, whether a product reduces visible or blue light depends on things like:
In the EU's CosIng database, iron oxides are only listed as a colorant. CosIng groups ingredients by their main cosmetic role, such as colorant, preservative, or UV filter.
Though studies say iron oxides can "attenuate blue light", they're describing an optical property and not an officially recognized cosmetic function.
So CosIng isn’t contradicting the research. It’s just classifying iron oxides by what they officially are: pigments that add color.
Learn more about Iron Oxides
