Kosas Chemistry AHA Serum Deodorant - Serene Clean Versus Necessaire The Body Serum (Le Serum Corps)
Updated on October 15, 2024
Overview
What they are
These products are both vegan, cruelty-free, and reef safe . They have a total of 3 ingredients in common
Cool Features
They both contain hyaluronic acid
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores and dark spots
Free From
They both do not contain any harsh alcohols, 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
Kosas Chemistry AHA Serum Deodorant 22 ingredients
Necessaire The Body Serum (Le Serum Corps) 16 ingredients
Free from
Safety & Ethics
American Brand
Free from
Safety & Ethics
American Brand
At a glance
Click on any of the items below to learn more
Kosas Chemistry AHA Serum Deodorant 22 ingredients
Necessaire The Body Serum (Le Serum Corps) 16 ingredients
Ingredients, at a glance
What's in this product, and how it might affect your skin.
Notable Ingredients
Benefits
Concerns
Ingredients, at a glance
What's in this product, and how it might affect your skin.
Notable Ingredients
Benefits
Ingredients Side-by-side
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.
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.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Mandelic Acid helps exfoliate skin. It also contains antioxidant properties.
2 Benefits2 Concerns
Polyglyceryl-4 Cocoate isn't fungal acne safe. It can be bad for dry skin.
Sodium 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.
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.
6 Benefits3 Concerns
Palmitoyl Tripeptide-5 isn't fungal acne safe and is a peptide.
Not safe for Fungal Acne
Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.
4 BenefitsMay cause irritation
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
4 Benefits2 Concerns
Tartaric Acid is an AHA. It can help to improve skin texture, reduce large pores, heal scars, and brighten skin. It can cause irritation and worsen rosacea.
4 Benefits2 Concerns
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.
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Cananga Odorata Flower Oil comes from the ylang-ylang flower, Cananga odorata.
Oil2 Concerns
Citrus Aurantium Amara Flower Oil is the volatile oil obtained from the flowers of the Bitter Orange, Citrus aurantium L. var. amara L., Rutaceae
Citrus Paradisi Peel Oil is the volatile oil expressed from the peel of the Grapefruit, Citrus paradisi, Rutaceae.
Oil
This ingredient is the fixed oil extracted from seeds of the desert shrub Jojoba. It is more commonly known as jojoba oil. The seed oil is liquid wax ester from the plant. It is non-comedogenic.
Helps hydrate Dry SkinNot safe for Fungal Acne
Benzyl Benzoate is usually created from the condensation of benzoic acid and benzyl alcohol. It is used as a preservative, solvent, and has a floral/balsamic scent in large amounts.
EU Allergen
Limonene is a fragrance that adds scent and taste to a formulation.
Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.
2 Concerns
Water, Aloe Barbadensis Leaf Juice, Glycerin, Mandelic Acid, Polyglyceryl-4 Cocoate, Sodium Hydroxide, Shikimic Acid, Lactic Acid, Palmitoyl Tripeptide-5, Hyaluronic Acid, Citric Acid, Tartaric Acid, Xanthan Gum, Potassium Sorbate, Sodium Benzoate, Cananga Odorata Flower Oil, Citrus Aurantium Amara Flower Oil, Citrus Paradisi Peel Oil, Simmondsia Chinensis Seed Oil, Benzyl Benzoate, Limonene, Linalool
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.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Coconut Alkanes is created from the fatty-acids of coconut oil. It is volatile, meaning it evaporates from the skin.
Ammonium Acryloyldimethyltaurate/Vp Copolymer (let's call it AAVC for short) is a synthetically created polymer. It's used as a film-forming agent and used to thicken the consistency of products.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Niacinamide has emerged as an all-star ingredient due to its many benefits.
6 Benefits
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
Pentylene 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.
Coco-Caprylate/Caprate is created from fatty coconut alcohol, caprylic acid, and capric acid.
Trisodium Ethylenediamine Disuccinate is used to help stabilize a product.
Hydrogenated Lecithin is created from the hydrogenation of lecithin. Hydrogenation is a chemical reaction between molecule hydrogen and another element.
Polyglyceryl-10 Stearate is a skin conditioner with emollient and emulsifier properties.
Sucrose Stearate is derived from stearic acid and sucrose (sugar). It is an emollient and emulsifier.
Gluconolactone is a PHA. PHAs are a great gentle alternative to traditional AHAs.
2 Benefits
Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Water, Glycerin, Coconut Alkanes, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Sodium Hyaluronate, Niacinamide, Panthenol, Ceramide NP, Pentylene Glycol, Coco-Caprylate/Caprate, Trisodium Ethylenediamine Disuccinate, Hydrogenated Lecithin, Polyglyceryl-10 Stearate, Sucrose Stearate, Gluconolactone, Sodium Benzoate
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 WaterGlycerin 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 Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.
Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.
Sodium Benzoate is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.
Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.
We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.
Learn more about Sodium BenzoateIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Kosas Chemistry AHA Serum Deodorant 22 ingredients
Necessaire The Body Serum (Le Serum Corps) 16 ingredients
Reviews
Here's what our community thinks
Necessaire The Body Serum (Le Serum Corps) 16 ingredients
Daniel Chin
Really gorgeous serum. I apply this to wet skin after a shower and let it soak in, then finish up with a urea cream. Makes my skin soft and...
Really gorgeous serum. I apply this to wet skin after a shower and let it soak in, then finish up with a urea cream. Makes my skin soft and moisturised. A friend even commented the other day on how moisturised my skin felt when she touched my arm!
