Theramid C-Tetra E.F. Versus BeautyAct 20% Vita-C Brightening Serum
Updated on August 07, 2024
Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 9 ingredients in common
Cool Features
They both contain Vitamin C and Vitamin E
Suited For
They're both likely to be good for anti aging, dry skin and brightening skin
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
Theramid C-Tetra E.F. 21 ingredients
BeautyAct 20% Vita-C Brightening Serum 20 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Theramid C-Tetra E.F. 21 ingredients
BeautyAct 20% Vita-C Brightening Serum 20 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Ingredients Side-by-side
Water
Skin ConditioningAscorbyl Tetraisopalmitate
Antioxidant
Propanediol
SolventAscorbyl Glucoside
Antioxidant
Glycerin
Humectant
Tricaprylin
Masking
Methylpropanediol
SolventGlycine Soja Seed Extract
Skin ConditioningTocopheryl Acetate
Antioxidant
Ascorbyl Methylsilanol Pectinate
Antioxidant
Ferulic Acid
Antimicrobial
Lecithin
EmollientSclerotium Gum
Emulsion StabilisingPullulan
Xanthan Gum
EmulsifyingSilica
Abrasive
Sodium Hydroxide
BufferingSodium Citrate
BufferingCitric Acid
Buffering
Sodium Benzoate
Masking
Potassium Sorbate
Preservative
Water, Ascorbyl Tetraisopalmitate, Propanediol, Ascorbyl Glucoside, Glycerin, Tricaprylin, Methylpropanediol, Glycine Soja Seed Extract, Tocopheryl Acetate, Ascorbyl Methylsilanol Pectinate, Ferulic Acid, Lecithin, Sclerotium Gum, Pullulan, Xanthan Gum, Silica, Sodium Hydroxide, Sodium Citrate, Citric Acid, Sodium Benzoate, Potassium Sorbate
Water
Skin ConditioningAscorbyl Tetraisopalmitate
Antioxidant
C15-19 Alkane
SolventPropanediol
SolventHydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingMethylpropanediol
SolventSqualane
Emollient
Glycerin
Humectant
Tocopherol
Antioxidant
Tocopheryl Acetate
Antioxidant
Helianthus Annuus Seed Oil
Emollient
Biosaccharide Gum-1
Skin ConditioningPhenoxyethanol
Preservative
Disodium EDTA
Xanthan Gum
EmulsifyingEthylhexylglycerin
Skin ConditioningCitric Acid
Buffering
Polysorbate 60
Emulsifying
Sodium Lactate
BufferingSodium Hydroxide
BufferingWater, Ascorbyl Tetraisopalmitate, C15-19 Alkane, Propanediol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Methylpropanediol, Squalane, Glycerin, Tocopherol, Tocopheryl Acetate, Helianthus Annuus Seed Oil, Biosaccharide Gum-1, Phenoxyethanol, Disodium EDTA, Xanthan Gum, Ethylhexylglycerin, Citric Acid, Polysorbate 60, Sodium Lactate, Sodium Hydroxide
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 WaterAscorbyl Tetraisopalmitate is a version of ascorbic acid, or pure Vitamin C.
This ingredient has many benefits including reducing wrinkles, skin soothing, dark spot fading, and fighting against free radicals.
It helps with dark spot fading by interfering with the process of skin darkening, helping to reduce hyperpigmentation. Like other forms of vitamin C, this ingredient encourages the skin to create more collagen.
As an antioxidant, it helps fight free-radicals. Free-radicals are molecules that may damage your skin cells.
One study found Ascorbyl Tetraisopalmitate to degrade in sunlight, but is stabilized when combined with acetyl zingerone.
Learn more about Ascorbyl TetraisopalmitatePropanediol 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 PropanediolGlycerin 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 GlycerinMethylpropanediol is a synthetic solvent and humectant.
As a solvent, it helps dissolve other ingredients, helping to evenly distribute ingredients throughout the product. This ingredient has also been shown to have antimicrobial properties which makes it a preservative booster.
Methylpropanediol is able to add a bit of moisture to the skin. It also helps other ingredients be better absorbed into the skin, such as salicylic acid.
Learn more about MethylpropanediolTocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.
Tocopheryl Acetate is commonly found in both skincare and dietary supplements.
Learn more about Tocopheryl AcetateXanthan 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 GumSodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.
Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.
"Alkaline" refers to a high pH level. A low pH level would be considered acidic.
Learn more about Sodium HydroxideCitric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and even out skin tone.
If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.
Read more about some other popular AHA's here:
Learn more about Citric AcidIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Theramid C-Tetra E.F. 21 ingredients
BeautyAct 20% Vita-C Brightening Serum 20 ingredients
Reviews
Here's what our community thinks
Theramid C-Tetra E.F. 21 ingredients
feels really nice and absorbs well but didn't see any differences in my skin after going through 3 bottles
BeautyAct 20% Vita-C Brightening Serum 20 ingredients
The best vitamin c derivative! Instant glow and no irritation
