Here's our complete breakdown comparing the ingredients, attributes, and more of Skin Gym Hydra-Youth Serum versus HoliFrog Halo AHA + BHA Evening Serum .
Published on June 30, 2023
Overview
What they are
These products are both cruelty-free and reef safe serums. They have a total of 11 ingredients in common
Cool Features
They both contain AHA, exfoliants, hyaluronic acid 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 parabens, silicones or sulfates
What's Inside
They both contain fragrances and oils
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Ingredient Info
Skin Gym Hydra-Youth Serum 24 ingredients
HoliFrog Halo AHA + BHA Evening Serum 44 ingredients
Alcohol Free
This product is free of harsh alcohols 🎉
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
Contains Alcohol
Ingredients in this product that are types of alcohol:
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
Contains EU Allergens
Ingredients in this product that are EU allergens:
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
At a glance
Click on any of the items below to learn more
Skin Gym Hydra-Youth Serum 24 ingredients
HoliFrog Halo AHA + BHA Evening Serum 44 ingredients
Notable Ingredients
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Benefits
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Concerns
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Notable Ingredients
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Concerns
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
Skin Gym Hydra-Youth Serum 24 ingredients
HoliFrog Halo AHA + BHA Evening Serum 44 ingredients
Water • Propanediol • Pentylene Glycol • Coco-Caprylate/Caprate • Polyglyceryl-10 Isostearate • Glycerin • Caprylic/Capric Triglyceride • Bentonite • Cocos Nucifera Oil • Citric Acid • Helianthus Annuus Seed Oil • Xanthan Gum • Phenoxyethanol • Sodium Hydroxide • Tocopherol • Sodium Starch Octenylsuccinate • Sodium Hyaluronate • Gigartina Stellata Extract • Crocus Sativus Stigma Extract • Datem • Daucus Carota Sativa Root Extract • Rosmarinus Officinalis Leaf Extract • Ascorbic Acid • Silica
Water • Aloe Barbadensis Leaf Juice • Helianthus Annuus Seed Oil • Glycolic Acid • Glycerin • Sodium Hydroxide • Propanediol • Glyceryl Stearate • Opuntia Ficus-Indica Seed Oil • Rubus Idaeus Seed Oil • Calophyllum Inophyllum Seed Oil • Caprylyl Caprylate/Caprate • Cetearyl Glucoside • Leuconostoc/Radish Root Ferment Filtrate • Lactic Acid • Phytic Acid • Salicylic Acid • Oryza Sativa Extract • Rosa Canina Fruit Oil • Superoxide Dismutase • Citrullus Lanatus Fruit Extract • Vigna Aconitifolia Seed Extract • Sodium PCA • Lens Esculenta Fruit Extract • Pyrus Malus Fruit Extract • Camellia Sinensis Leaf Extract • Cocos Nucifera Oil • Tocopherol • Sea Salt • Sodium Lactate • Citric Acid • Lecithin • Phenethyl Alcohol • Potassium Sorbate • Sodium Benzoate • Maltodextrin • Xanthan Gum • Leuconostoc Ferment Filtrate • Sodium Hyaluronate • Sodium Carrageenan • Dehydroacetic Acid • Silica • Benzyl Alcohol • Soybean Peroxidase
Ingredients Side-by-side
Ingredients that are highlighted in purple are present in both products.
Learn more about what what Com. / Irr. ratings are
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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterSkin Gym Hydra-Youth Serum contains this as ingredient number 1.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 1.
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.
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 PropanediolSkin Gym Hydra-Youth Serum contains this as ingredient number 2.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 7.
Glycerin 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 GlycerinSkin Gym Hydra-Youth Serum contains this as ingredient number 6.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 5.
Cocos Nucifera Oil is obtained from the kernels of the coconut fruit. In other words, this is coconut oil.
Coconut Oil is rich in fatty acids with lauric acid making up the majority of these. It also contains linoleic acid. Due to this high fatty acid content, coconut oil helps trap moisture and soften skin.
Despite being antibacterial, coconut oil may not be great for acne-prone skin. It is comedogenic and may clog pores. This ingredient may not be safe for malassezia or fungal acne.
Coconut Oil should not replace your sunscreen for UV protection. Studies show it only blocks about 20% of UV.
This oil is non-volatile and has a light scent.
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 Cocos Nucifera OilSkin Gym Hydra-Youth Serum contains this as ingredient number 9.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 27.
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
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.
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 look more even.
Read more about some other popular AHA's here:
Learn more about Citric AcidSkin Gym Hydra-Youth Serum contains this as ingredient number 10.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 31.
Helianthus Annuus Seed Oil is the oil derived from the seeds of a Sunflower. Sunflower seed oil is non-fragrant. It is an emollient, meaning it helps to soften the skin.
Sunflower seed oil contains many fatty acids. The fatty acids found in sunflower seeds include (from highest amount to least): linoleic acid, myristic acid, palmitic acid, stearic acid, arachidic acid, oleic acid, and linolenic acid.
These fatty acids help the skin create ceramides. Ceramides play a role in repairing the skin barrier.
Helianthus Annuus Seed Oil helps moisturize the skin. This in turn helps the skin look more rejuvenated and smoother.
Sunflowers are rich in vitamin E.
Historians believe Indigenous cultures of North America domesticated sunflowers before corn. Thus they relied on sunflower oil for a variety of uses. One such use is moisturizing skin and hair.
Sunflower seed oil may not be fungal acne safe. We recommend speaking with a professional if you have any concerns.
Learn more about Helianthus Annuus Seed OilSkin Gym Hydra-Youth Serum contains this as ingredient number 11.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 3.
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.
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 GumSkin Gym Hydra-Youth Serum contains this as ingredient number 12.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 37.
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.
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 HydroxideSkin Gym Hydra-Youth Serum contains this as ingredient number 14.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 6.
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.
Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.
Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.
You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.
There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.
Learn more about TocopherolSkin Gym Hydra-Youth Serum contains this as ingredient number 15.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 28.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateSkin Gym Hydra-Youth Serum contains this as ingredient number 17.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 39.
Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.
Silica is often used for absorption and can help reduce shine when products are applied. Silica occurs in naturally in materials like clay and sandstone, and it can also be produced synthetically.
Silica is present naturally within the skin during collagen production and when reducing inflammation.
Learn more about SilicaSkin Gym Hydra-Youth Serum contains this as ingredient number 24.
HoliFrog Halo AHA + BHA Evening Serum contains this as ingredient number 42.
Here's what our community thinks of the ingredients in these two products.
Skin Gym Hydra-Youth Serum 24 ingredients
HoliFrog Halo AHA + BHA Evening Serum 44 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
Skin Gym Hydra-Youth Serum 24 ingredients
HoliFrog Halo AHA + BHA Evening Serum 44 ingredients
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