Updated on April 05, 2024
Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 7 ingredients in common
Cool Features
They both contain hyaluronic acid and Vitamin C
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, scar healing, dark spots and better texture
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
Mad Hippie Vitamin C Serum 17 ingredients
FaceTheory Regenacalm 2% Retinol and Vitamin C Serum S1 23 ingredients
At a glance
Click on any of the items below to learn more
Mad Hippie Vitamin C Serum 17 ingredients
FaceTheory Regenacalm 2% Retinol and Vitamin C Serum S1 23 ingredients
Notable Ingredients
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Concerns
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Notable Ingredients
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Ingredients Side-by-side
Antioxidant 6 Benefits
Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
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.
Sodium levulinate is the a sodium salt of Levulinic Acid. If dissolved in an aqueous solution, the two ingredients become identical.
Sodium Anisate comes from fennel. It is used as a preservative and to add flavoring.
Salvia Sclarea Oil is a volatile oil obtained from the Clary Sage, Salvia sclarea L., Lamiaceae
4 Benefits May cause irritation
Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.
Aloe Barbadensis Leaf is a plant material from the leaves of the aloe, Aloe barbadensis, Liliaceae
Helps with Anti-Aging
Ferulic Acid is a plant based antioxidant. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. Ferulic Acid can help reduce the formation of fine lines and hyperpigmentation.
Chamomilla Recutita Extract comes from the Chamomile flower.
Sodium Phytate is the synthetic salt form of phytic acid. Phytic acid is an antioxidant and can be found in plant seeds.
Xanthan 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.
Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.
Sodium Ascorbyl Phosphate, C16-17 Alkyl Benzoate, Glycerin, Water, Sodium Levulinate, Sodium Anisate, Salvia Sclarea Oil, Citrus Grandis, Hyaluronic Acid, Amorphophallus Konjac Root Powder, Aloe Barbadensis Leaf, Tocotrienols, Ferulic Acid, Chamomilla Recutita Extract, Sodium Phytate, Xanthan Gum, Hydroxyethylcellulose
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.
Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
7 Benefits 3 Concerns
Retinyl palmitate is a form of retinoid. Retinoids are the superstar class of anti-aging ingredients that include tretinoin and retinol.
Antioxidant 6 Benefits
Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.
Polyglyceryl-6 Stearate isn't fungal acne safe.
Antioxidant 4 Benefits May cause irritation
Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Sodium Anisate comes from fennel. It is used as a preservative and to add flavoring.
Sodium levulinate is the a sodium salt of Levulinic Acid. If dissolved in an aqueous solution, the two ingredients become identical.
Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.
Glycyrrhiza Glabra (Licorice) Stem Extract is the extract of the stems of Glycyrrhiza glabra, Fabaceae.
6 Benefits 3 Concerns
Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
Helps with Anti-Aging
Ferulic Acid is a plant based antioxidant. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. Ferulic Acid can help reduce the formation of fine lines and hyperpigmentation.
Xanthan 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.
Preservative 5 Benefits 4 Concerns
Salicylic Acid (also known as beta hydroxy acid or BHA) is one of the most well-known ingredients for treating skin that struggles with blackheads and acne. It helps to exfoliate both the skin's surface and pores, and also acts as an anti-inflammatory agent.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Aloe Barbadensis Leaf Juice comes from leaves of the aloe plant. Aloe Barbadensis Leaf Juice is best known for helping to soothe sunburns. It is also anti-inflammatory, moisturizing, antiseptic, and can help heal wounds.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
Water, Propanediol, Glycerin, Polyglyceryl-4 Oleate, Retinyl Palmitate, Sodium Ascorbyl Phosphate, Polyglyceryl-6 Stearate, Tocopherol, Sodium Anisate, Sodium Levulinate, Glyceryl Caprylate, Anethum Graveolens Herb Extract, Glycyrrhiza Glabra Stem Extract, Cetyl Hydroxyethylcellulose, Lactic Acid, Polyglyceryl-6 Behenate, Ferulic Acid, Xanthan Gum, Salicylic Acid, Sodium Hyaluronate, Aloe Barbadensis Leaf Juice, Citric Acid, Potassium Sorbate
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.
This ingredient is more gentle than ascorbic acid. It is also more stable when exposed to light and oxygen.
Vitamin C helps reduce redness, improve skin texture, reduce the effects of aging, reduce the visibility of dark spots, and brighten skin.
Your skin uses Vitamin C to produce collagen and collagen production plays a role in having a strong skin barrier and plump skin. As an antioxidant, this ingredient also helps reduce the signs of aging such as fine-lines and wrinkles.
VItamin C helps brighten skin by blocking the process of skin darkening.
In a 2011 study, Sodium Ascorbyl Phosphate was found to have antibacterial properties. This may help treat acne.
Read more about other types of Vitamin C:
Learn more about Sodium Ascorbyl PhosphateGlycerin 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 GlycerinWater. 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 WaterSodium levulinate is the a sodium salt of Levulinic Acid. If dissolved in an aqueous solution, the two ingredients become identical.
It is a skin conditioning agent, meaning it helps soften and hydrate your skin.
According to Cosmetic Ingredient Review, the highest amounts of sodium levulinate are found in mouthwashes at 0.62%.
Learn more about Sodium LevulinateSodium Anisate comes from fennel. It is used as a preservative and to add flavoring.
Sodium Anisate has antimicrobial properties.
Ferulic Acid is a plant based antioxidant. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. Ferulic Acid can help reduce the formation of fine lines and hyperpigmentation.
When used with Vitamin C, Ferulic Acid has shown to prevent Vitamin C from breaking down. In other words, it acts as a stabilizer.
Ferulic Acid is sometimes used to preserve food. Foods containing Ferulic Acid include: oats, rice, eggplant, citrus.
In medicine, Ferulic Acid is being studied for helping with diabetes, Alzheimer's, and cardiovascular diseases.
Learn more about Ferulic AcidXanthan 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 two products.
When to use
Mad Hippie Vitamin C Serum 17 ingredients
FaceTheory Regenacalm 2% Retinol and Vitamin C Serum S1 23 ingredients
Reviews
Here's what our community thinks
Mad Hippie Vitamin C Serum 17 ingredients
samsasam
Staple in my routine
It feels great and absorbs nicely into the skin. I've noticed that my skin has been brighter & a more even tone/less redness.
Adrienne Matthew
It is more difficult to find studies and documentation on SAP in comparison to the other derivatives of vitamin C. The serum did nothing for my skin
