Sisley Paris So Stretch Mascara - 1 Deep Black Versus Lancôme Lash Idôle Flutter Extension Lengthening Mascara - 01 True Black
Updated on April 30, 2025
Overview
What they are
These products are both reef safe mascaras. They have a total of 7 ingredients in common
Suited For
They're both likely to be good for dry skin, brightening skin and scar healing
Free From
They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates
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
Sisley Paris So Stretch Mascara 39 ingredients
Lancôme Lash Idôle Flutter Extension Lengthening Mascara 20 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
Sisley Paris So Stretch Mascara 39 ingredients
Lancôme Lash Idôle Flutter Extension Lengthening Mascara 20 ingredients
Key Ingredients
Benefits
Concerns
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningBeeswax
Emulsion Stabilising
Copernicia Cerifera Wax
Glyceryl Myristate
EmollientVp/Hexadecene Copolymer
Acrylates Copolymer
Glyceryl Stearate
Emollient
Isodecyl Neopentanoate
EmollientPEG-100 Stearate
Silica
Abrasive
Glycerin
Humectant
Butylene Glycol
Humectant
Pentylene Glycol
Skin ConditioningRicinus Communis Seed Oil
Masking
Panthenol
Skin Conditioning
Arginine
Masking
Bambusa Arundinacea Stem Powder
Abrasive
Palmitoyl Myristyl Serinate
Skin ConditioningSodium Polyacrylate
Absorbent
Rosa Damascena Flower Extract
MaskingBiotinoyl Tripeptide-1
Biotin
AntiseborrhoeicPvp
Emulsion StabilisingXanthan Gum
EmulsifyingIsostearyl Sebacate
Skin ConditioningPEG-8
HumectantTetrasodium EDTA
Ethylhexylglycerin
Skin ConditioningDisodium Stearoyl Glutamate
CleansingAluminum Hydroxide
EmollientPEG-8/Smdi Copolymer
Citric Acid
Buffering
Phenoxyethanol
Preservative
CI 77491
Cosmetic ColorantCI 77492
Cosmetic ColorantCI 77499
Cosmetic ColorantCI 77007
Cosmetic ColorantMica
Cosmetic Colorant
CI 77891
Cosmetic ColorantWater, Beeswax, Copernicia Cerifera Wax, Glyceryl Myristate, Vp/Hexadecene Copolymer, Acrylates Copolymer, Glyceryl Stearate, Isodecyl Neopentanoate, PEG-100 Stearate, Silica, Glycerin, Butylene Glycol, Pentylene Glycol, Ricinus Communis Seed Oil, Panthenol, Arginine, Bambusa Arundinacea Stem Powder, Palmitoyl Myristyl Serinate, Sodium Polyacrylate, Rosa Damascena Flower Extract, Biotinoyl Tripeptide-1, Biotin, Pvp, Xanthan Gum, Isostearyl Sebacate, PEG-8, Tetrasodium EDTA, Ethylhexylglycerin, Disodium Stearoyl Glutamate, Aluminum Hydroxide, PEG-8/Smdi Copolymer, Citric Acid, Phenoxyethanol, CI 77491, CI 77492, CI 77499, CI 77007, Mica, CI 77891
Water
Skin ConditioningCI 77499
Cosmetic ColorantAcrylates Copolymer
Oryza Sativa Cera
Skin ConditioningPropylene Glycol
Humectant
Cera Alba
Emollient
Pentylene Glycol
Skin ConditioningGlyceryl Stearate
Emollient
Cetyl Alcohol
Emollient
PEG-200 Glyceryl Stearate
Copernicia Cerifera Cera
Emollient
Stearic Acid
Cleansing
Palmitic Acid
Emollient
Glycerin
Humectant
Myristic Acid
Cleansing
Aminomethyl Propanediol
BufferingHydroxyethylcellulose
Emulsion StabilisingCaprylyl Glycol
EmollientXanthan Gum
EmulsifyingSodium Dehydroacetate
Preservative
Water, CI 77499, Acrylates Copolymer, Oryza Sativa Cera, Propylene Glycol, Cera Alba, Pentylene Glycol, Glyceryl Stearate, Cetyl Alcohol, PEG-200 Glyceryl Stearate, Copernicia Cerifera Cera, Stearic Acid, Palmitic Acid, Glycerin, Myristic Acid, Aminomethyl Propanediol, Hydroxyethylcellulose, Caprylyl Glycol, Xanthan Gum, Sodium Dehydroacetate
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Acrylates Copolymer is used as a film-forming agent and texture enhancer.
After applied, Acrylates Copolymer forms a thin film cover that helps skin feel more soft. It can help sunscreens become more water-resistant.
It is also used to make a product more thick.
Learn more about Acrylates CopolymerCi 77499 is also hydrated iron III oxide. It is created from mixing red and black iron oxides. This helps give shades of darkness to a product.
Iron III oxides are classified as inorganic chemicals for coloring.
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 GlycerinGlyceryl Stearate is a mix of glycerin and stearic acid.
It is used to stabilize the mixing of water and oil ingredients. By preventing these ingredients from separating, it can help elongate shelf life. It can also help thicken the product's texture.
As an emollient, it helps soften skin and supports barrier-replenishing ingredients.
In cosmetics, Glyceryl Stearate is often made from vegetable oils or synthetically produced.
This ingredient may not be fungal-acne safe
Fun fact: The human body also creates Glyceryl Stearate naturally.
Learn more about Glyceryl StearatePentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.
This property also makes Pentylene Glycol a great texture enhancer. It can also help thicken or stabilize a product.
Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.
Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.
Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.
Learn more about Pentylene GlycolWater. 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 WaterXanthan 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 GumIngredient Ratings
Here's what our community thinks of the ingredients in these products.
