Necessaire The Deodorant Gel - Eucalyptus Versus Kosas Chemistry AHA Serum Deodorant - Serene Clean
Updated on October 15, 2024
Overview
What they are
These products are both vegan, cruelty-free, and reef safe deodorant. They have a total of 7 ingredients in common
Cool Features
They both contain AHA
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any harsh alcohols, parabens, silicones or sulfates
What's Inside
They both contain common allergens, fragrances and oils
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
Necessaire The Deodorant Gel 23 ingredients
Kosas Chemistry AHA Serum Deodorant 22 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
Necessaire The Deodorant Gel 23 ingredients
Kosas Chemistry AHA Serum Deodorant 22 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
Concerns
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.
Mandelic Acid helps exfoliate skin. It also contains antioxidant properties.
2 Benefits2 Concerns
Potassium hydroxide is commonly known as caustic potash. It is used to fix the pH of a product or as a cleaning agent in soap. In cleansers, it is used for the saponification of oils.
This ingredient is a semi-synthetic polymer created from cellulose. In case you need a refresher, cellulose is the main component of plant cell walls.
Hamamelis Virginiana Water is made by distilling parts of the witch hazel plant. You can also call this ingredient "witch hazel water".
Gluconolactone is a PHA. PHAs are a great gentle alternative to traditional AHAs.
2 Benefits
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
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
Niacinamide has emerged as an all-star ingredient due to its many benefits.
6 Benefits
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Chamomilla Recutita Flower Extract comes from the Chamomile flower.
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.
Sodium Phytate is the synthetic salt form of phytic acid. Phytic acid is an antioxidant and can be found in plant seeds.
This oil is derived from the leaves of Eucalyptus Globulus, a type of Eucalyptus tree native to Australia.
OilEU Allergen
Lavandula Angustifolia Oil is more commonly known as lavender essential oil. Lavandula Angustifolia is known as the English Lavender and famous for creating purple fields in Provence, France.
EU Allergen
Citrus Aurantium Dulcis Peel Oil is oil from the peel of an orange fruit.
Benzoic Acid is used to preserve and adjust the pH of products.
May worsen Eczema
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
4 Benefits2 Concerns
Limonene is a fragrance that adds scent and taste to a formulation.
Water, Mandelic Acid, Potassium Hydroxide, Hydroxypropyl Methylcellulose, Hamamelis Virginiana Water, Gluconolactone, Lactic Acid, Panthenol, Niacinamide, Glycerin, Chamomilla Recutita Flower Extract, Sodium Benzoate, Calcium Gluconate, Sodium Phytate, Eucalyptus Globulus Leaf Oil, Lavandula Angustifolia Oil, Abies Sibirica Oil, Zingiber Officinale Root Oil, Citrus Aurantium Dulcis Peel Oil, Pogostemon Cablin Leaf Oil, Benzoic Acid, Citric Acid, Limonene
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
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 WaterMandelic Acid helps exfoliate skin. It also contains antioxidant properties.
As an AHA, Mandelic Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and look more even.
Mandelic Acid may be an alternative to Glycolic Acid for those with sensitive skin.
Mandelic Acid may help reduce wrinkles, acne, and hyperpigmentation.
Read more about some other popular AHA's here:
Learn more about Mandelic AcidLactic 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.
Benefits of Lactic Acid are that it can help to reduce large pores and reduce the effects of aging. Some potential downsides are that it can be bad for dry skin, cause irritation, worsen eczema, and worsen rosacea.
Not only does it help exfoliate the skin, it helps strengthen the skin's barrier. When applied, lactic acid helps the skin create ceramides.
Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk.
Legend has it that Cleopatra used to bathe in sour milk to help reduce wrinkles.
Read more about some other popular AHA's here:
Learn more about Lactic AcidGlycerin 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 BenzoateCitric 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 AcidLimonene is a fragrance that adds scent and taste to a formulation.
It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus".
Limonene acts as an antioxidant, meaning it helps neutralize free radicals.
When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin.
The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.
Learn more about LimoneneIngredient Ratings
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Necessaire The Deodorant Gel 23 ingredients
Kosas Chemistry AHA Serum Deodorant 22 ingredients
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