Curology Brightening Vitamin C Serum Versus Herbivore Nova 15% Vitamin C + Turmeric Brightening Serum
Updated on March 20, 2025
Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 12 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, brightening skin, reducing pores, scar healing and better texture
Free From
They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates
What's Inside
They both contain fragrances
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
Curology Brightening Vitamin C Serum 26 ingredients
Herbivore Nova 15% Vitamin C + Turmeric Brightening Serum 33 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Curology Brightening Vitamin C Serum 26 ingredients
Herbivore Nova 15% Vitamin C + Turmeric Brightening Serum 33 ingredients
Key Ingredients
Benefits
Key Ingredients
Benefits
Ingredients Side-by-side
Water
Skin ConditioningDimethicone
Emollient
Magnesium Ascorbyl Phosphate
Antioxidant
Tetrahexyldecyl Ascorbate
Antioxidant
Cetearyl Olivate
Ascorbyl Glucoside
Antioxidant
Potassium Azeloyl Diglycinate
Skin ConditioningCaprylic/Capric Triglyceride
MaskingPropanediol
SolventPolyglyceryl-6 Stearate
Emollient
Sorbitan Olivate
Emulsifying
Glycerin
Humectant
Behenyl Alcohol
Emollient
Sodium Stearoyl Glutamate
CleansingCamellia Sinensis Flower Extract
Perfuming
Tocopherol
Antioxidant
Tocopheryl Acetate
Antioxidant
Hydroxyacetophenone
Antioxidant
Polyglyceryl-6 Polyricinoleate
Emulsifying
Dimethiconol
Emollient
Sclerotium Gum
Emulsion Stabilising1,2-Hexanediol
Skin ConditioningCaprylyl Glycol
EmollientSodium Hydroxide
BufferingPolyglyceryl-6 Behenate
Emulsion Stabilising
Tetrasodium Glutamate Diacetate
Water, Dimethicone, Magnesium Ascorbyl Phosphate, Tetrahexyldecyl Ascorbate, Cetearyl Olivate, Ascorbyl Glucoside, Potassium Azeloyl Diglycinate, Caprylic/Capric Triglyceride, Propanediol, Polyglyceryl-6 Stearate, Sorbitan Olivate, Glycerin, Behenyl Alcohol, Sodium Stearoyl Glutamate, Camellia Sinensis Flower Extract, Tocopherol, Tocopheryl Acetate, Hydroxyacetophenone, Polyglyceryl-6 Polyricinoleate, Dimethiconol, Sclerotium Gum, 1,2-Hexanediol, Caprylyl Glycol, Sodium Hydroxide, Polyglyceryl-6 Behenate, Tetrasodium Glutamate Diacetate
Water
Skin ConditioningTetrahexyldecyl Ascorbate
Antioxidant
Glycerin
Humectant
C9-12 Alkane
SolventSodium Stearoyl Glutamate
CleansingPropanediol
SolventCetearyl Olivate
Sorbitan Olivate
Emulsifying
Arctostaphylos Uva-Ursi Leaf Extract
Skin ConditioningCurcuma Longa Root Extract
Masking
Terminalia Chebula Fruit Extract
Skin ConditioningTerminalia Ferdinandiana Fruit Extract
Antioxidant
Hyaluronic Acid
Humectant
Polyglyceryl-6 Stearate
Emollient
Sclerotium Gum
Emulsion StabilisingPolyglyceryl-6 Polyricinoleate
Emulsifying
Sodium Levulinate
Skin ConditioningSodium Anisate
AntimicrobialMelia Azadirachta Flower Extract
Skin ConditioningCoco-Caprylate/Caprate
Emollient
Butylene Glycol
Humectant
Melia Azadirachta Leaf Extract
Skin ConditioningOcimum Sanctum Leaf Extract
Skin ConditioningSodium Phytate
Averrhoa Carambola Fruit Extract
Skin ConditioningPolyglyceryl-6 Behenate
Emulsion Stabilising
Ocimum Basilicum Flower/Leaf Extract
TonicTocopheryl Acetate
Antioxidant
Echinacea Purpurea Extract
MoisturisingAnanas Sativus Fruit Juice
Skin ConditioningCorallina Officinalis Extract
Skin ConditioningLeuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Citric Acid
Buffering
Water, Tetrahexyldecyl Ascorbate, Glycerin, C9-12 Alkane, Sodium Stearoyl Glutamate, Propanediol, Cetearyl Olivate, Sorbitan Olivate, Arctostaphylos Uva-Ursi Leaf Extract, Curcuma Longa Root Extract, Terminalia Chebula Fruit Extract, Terminalia Ferdinandiana Fruit Extract, Hyaluronic Acid, Polyglyceryl-6 Stearate, Sclerotium Gum, Polyglyceryl-6 Polyricinoleate, Sodium Levulinate, Sodium Anisate, Melia Azadirachta Flower Extract, Coco-Caprylate/Caprate, Butylene Glycol, Melia Azadirachta Leaf Extract, Ocimum Sanctum Leaf Extract, Sodium Phytate, Averrhoa Carambola Fruit Extract, Polyglyceryl-6 Behenate, Ocimum Basilicum Flower/Leaf Extract, Tocopheryl Acetate, Echinacea Purpurea Extract, Ananas Sativus Fruit Juice, Corallina Officinalis Extract, Leuconostoc/Radish Root Ferment Filtrate, Citric Acid
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 WaterTetrahexyldecyl Ascorbate (THD) is a stable and oil-soluble form of Vitamin C.
THD is special in that it has the ability to travel deeper into skin than traditional ascorbic acid while maintaining the same skin benefits (double win!).
Because it’s oil-soluble, THD dives deep into your skin’s fatty layers (think ceramides and cholesterol) to fight off the kind of free radicals that mess with your skin barrier. This makes it a great pair with water-based vitamin C (ascorbic acid) that mainly works on the surface.
Even at just 0.1%, THD is already showing great antioxidant activity. When used up to 2%, it helps keep your skin happy and calm, especially when it’s stressed from pollution or sun.
Want to fade dark spots or tackle hyperpigmentation? You’ll want 5% or more. Pairing it with brightening buddies like niacinamide or licorice root gives even better results. One study even used 30% THD with other brighteners and saw real results on stubborn discoloration, even in melasma-prone skin.
A note on THD: It’s has a slightly silky, oily texture and usually shows up colorless or pale yellow (though the exact shade can vary by supplier).
While you can sneak it into water-based formulas, it really shines when paired with silicones or oils, which help your skin soak it up better.
THD is pretty stable, but it’s still vulnerable to degradation like ascorbic acid. Too much light or heat (above 113°F / 45°C) can break it down over time. Go for dark and opaque packaging that keeps it safe and shady!
Read more about other types of Vitamin C:
Learn more about Tetrahexyldecyl AscorbateCetearyl Olivate is an emulsifier and texture enhancer. It is derived from the fatty acids of olive oil and Cetearyl alcohol, and is biodegradable.
As an emulsifier, it is used to prevent oils and waters from separating. It can also
Manufacturers use the name Olivem 1000. This ingredient has been found to preserve the natural microbiome of skin. Having a healthy microbiome helps keep our skin healthy and protects against harmful bacteria. This ingredient is grouped with Sorbitan Olivate under the name Olivem 1000.
Learn more about Cetearyl OlivatePropanediol 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 PropanediolPolyglyceryl-6 Stearate isn't fungal acne safe.
Sorbitan Olivate is created from the fatty acids in olive oil and sorbitol.
This ingredient is an oil in water emulsifier. It helps stabilize a product by preventing oils and waters from separating. Sorbitan Olivate also helps hydrate the skin.
Manufacturers sell sorbitan olivate under the name OliveM 1000. OliveM 1000 a multifunctional ingredient. It is self-emulsifying. According to a manufacturer, OliveM 1000 does not disrupt natural skin biome.
Due to its olive oil base, this ingredient may not be fungal-acne safe.
Learn more about Sorbitan OlivateGlycerin 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 GlycerinSodium Stearoyl Glutamate is an emulsifier and helps condition the skin. It is amino acid-based.
In higher amounts, it may act as a cleansing agent.
Tocopheryl 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 AcetatePolyglyceryl-6 Polyricinoleate isn't fungal acne safe.
Sclerotium Gum is a polysaccharide gum made by the fungus, Sclerotium rolfssii. It is similar to xanthan gum.
In cosmetics, Sclerotium Gum is used to thicken the texture and to help stabilize other ingredients.
As an emulsifier, Sclerotium Gum helps prevent ingredients from separating, such as water and oil.
Learn more about Sclerotium GumPolyglyceryl-6 Behenate isn't fungal acne safe.
Ingredient Ratings
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When to use
Curology Brightening Vitamin C Serum 26 ingredients
Herbivore Nova 15% Vitamin C + Turmeric Brightening Serum 33 ingredients
