Fenty Beauty Hella Thicc Volumizing Mascara - Cuz I'm Black Versus RMS Beauty Straight Up™ Volumizing Peptide Mascara - Black
Updated on October 10, 2025
Overview
What they are
These products are both cruelty-free and reef safe mascaras. They have a total of 3 ingredients in common
Suited For
They're both likely to be good for anti aging, dry skin and scar healing
Free From
They both do not contain any harsh alcohols, common allergens, oils, 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
Fenty Beauty Hella Thicc Volumizing Mascara 25 ingredients
RMS Beauty Straight Up™ Volumizing Peptide Mascara 21 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
Fenty Beauty Hella Thicc Volumizing Mascara 25 ingredients
RMS Beauty Straight Up™ Volumizing Peptide Mascara 21 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningCera Alba
Emollient
Paraffin
Perfuming
Glyceryl Stearate
Emollient
Oryza Sativa Cera
Skin ConditioningButylene Glycol
Humectant
Palmitic Acid
Emollient
Acacia Senegal Gum
MaskingPolybutene
Vp/Eicosene Copolymer
Aminomethyl Propanol
BufferingCopernicia Cerifera Cera
Emollient
Stearic Acid
Cleansing
Phenoxyethanol
Preservative
Hydroxyethylcellulose
Emulsion StabilisingPotassium Sorbate
Preservative
Hydrolyzed Pea Protein
EmollientHydrolyzed Vegetable Protein
Skin ConditioningEthylhexylglycerin
Skin ConditioningPolyester-4
Skin ConditioningSodium Benzoate
Masking
Disodium Phosphate
BufferingSodium Phosphate
BufferingTocopherol
Antioxidant
CI 77499
Cosmetic ColorantWater, Cera Alba, Paraffin, Glyceryl Stearate, Oryza Sativa Cera, Butylene Glycol, Palmitic Acid, Acacia Senegal Gum, Polybutene, Vp/Eicosene Copolymer, Aminomethyl Propanol, Copernicia Cerifera Cera, Stearic Acid, Phenoxyethanol, Hydroxyethylcellulose, Potassium Sorbate, Hydrolyzed Pea Protein, Hydrolyzed Vegetable Protein, Ethylhexylglycerin, Polyester-4, Sodium Benzoate, Disodium Phosphate, Sodium Phosphate, Tocopherol, CI 77499
Water
Skin ConditioningEuphorbia Cerifera Wax
Butyrospermum Parkii Butter
Skin Conditioning
Polyglyceryl-6 Distearate
Emulsifying
Glycerin
Humectant
Dimer Dilinoleyl Dimer Dilinoleate
Emollient
Copernicia Cerifera Wax
Polyglyceryl-10 Myristate
Skin Conditioning
Cetyl Alcohol
Emollient
Glyceryl Caprylate
EmollientLeuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Zea Mays Starch
AbsorbentButylene Glycol
Humectant
Xanthan Gum
EmulsifyingArginine
Masking
Phenethyl Alcohol
MaskingPortulaca Grandiflora Extract
Skin ConditioningCamellia Sinensis Leaf Extract
Antimicrobial
Glycoproteins
Skin Conditioning
Oligopeptide-2
Skin Conditioning
CI 77499
Cosmetic ColorantWater, Euphorbia Cerifera Wax, Butyrospermum Parkii Butter, Polyglyceryl-6 Distearate, Glycerin, Dimer Dilinoleyl Dimer Dilinoleate, Copernicia Cerifera Wax, Polyglyceryl-10 Myristate, Cetyl Alcohol, Glyceryl Caprylate, Leuconostoc/Radish Root Ferment Filtrate, Zea Mays Starch, Butylene Glycol, Xanthan Gum, Arginine, Phenethyl Alcohol, Portulaca Grandiflora Extract, Camellia Sinensis Leaf Extract, Glycoproteins, Oligopeptide-2, CI 77499
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 GlycolCi 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.
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 WaterIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Fenty Beauty Hella Thicc Volumizing Mascara 25 ingredients
RMS Beauty Straight Up™ Volumizing Peptide Mascara 21 ingredients
Reviews
Here's what our community thinks
Fenty Beauty Hella Thicc Volumizing Mascara 25 ingredients
RMS Beauty Straight Up™ Volumizing Peptide Mascara 21 ingredients
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