The Ordinary AHA 30% + BHA 2% Peeling Solution Versus Neogen Probiotics Youth Repair Emulsion
Updated on May 19, 2025
Overview
What they are
These products are both reef safe . They have a total of 10 ingredients in common
Cool Features
They both contain hyaluronic acid
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any harsh alcohols, common allergens, 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
The Ordinary AHA 30% + BHA 2% Peeling Solution 24 ingredients
Neogen Probiotics Youth Repair Emulsion 106 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
The Ordinary AHA 30% + BHA 2% Peeling Solution 24 ingredients
Neogen Probiotics Youth Repair Emulsion 106 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Glycolic Acid
Buffering
Water
Skin ConditioningAloe Barbadensis Leaf Water
MaskingSodium Hydroxide
BufferingDaucus Carota Sativa Extract
Perfuming
Propanediol
Solvent
Cocamidopropyl Dimethylamine
EmulsifyingSalicylic Acid
Masking
Lactic Acid
Buffering
Tartaric Acid
Buffering
Citric Acid
Buffering
Panthenol
Skin Conditioning
Sodium Hyaluronate Crosspolymer
Humectant
Tasmannia Lanceolata Fruit/Leaf Extract
Antioxidant
Glycerin
Humectant
Pentylene Glycol
Skin ConditioningXanthan Gum
EmulsifyingPolysorbate 20
Emulsifying
Trisodium Ethylenediamine Disuccinate
Potassium Sorbate
Preservative
Sodium Benzoate
Masking
Ethylhexylglycerin
Skin Conditioning1,2-Hexanediol
Skin Conditioning
Caprylyl Glycol
Emollient
Glycolic Acid, Water, Aloe Barbadensis Leaf Water, Sodium Hydroxide, Daucus Carota Sativa Extract, Propanediol, Cocamidopropyl Dimethylamine, Salicylic Acid, Lactic Acid, Tartaric Acid, Citric Acid, Panthenol, Sodium Hyaluronate Crosspolymer, Tasmannia Lanceolata Fruit/Leaf Extract, Glycerin, Pentylene Glycol, Xanthan Gum, Polysorbate 20, Trisodium Ethylenediamine Disuccinate, Potassium Sorbate, Sodium Benzoate, Ethylhexylglycerin, 1,2-Hexanediol, Caprylyl Glycol
Water
Skin ConditioningGlycerin
Humectant
Caprylic/Capric Triglyceride
Masking
Dipropylene Glycol
HumectantCetyl Ethylhexanoate
Emollient1,2-Hexanediol
Skin Conditioning
Niacinamide
Smoothing
Cyclopentasiloxane
Emollient
Cyclohexasiloxane
Emollient
Butyrospermum Parkii Butter
Skin Conditioning
Glyceryl Stearate
Emollient
Trehalose
Humectant
PEG-100 Stearate
Dimethicone
Emollient
Cetyl Alcohol
Emollient
Stearyl Alcohol
Emollient
Palmitic Acid
Emollient
Stearic Acid
Cleansing
Carbomer
Emulsion StabilisingTromethamine
BufferingEthylhexylglycerin
Skin ConditioningAdenosine
Skin Conditioning
Coptis Japonica Extract
AntimicrobialButylene Glycol
Humectant
Lactobacillus Ferment Lysate
Skin Conditioning
Isopentyldiol
Humectant
Undaria Pinnatifida Extract
Skin ConditioningDextrin
AbsorbentTheobroma Cacao Extract
Skin ConditioningHoney Extract
Humectant
Sodium PCA
Humectant
Sodium Lactate
BufferingCentella Asiatica Extract
Cleansing
Vaccinium Macrocarpon Fruit Extract
AstringentFragaria Chiloensis Fruit Extract
Skin Conditioning
Rubus Idaeus Fruit Extract
AstringentVaccinium Angustifolium Fruit Extract
Skin Protecting
Cornus Officinalis Fruit Extract
Skin ConditioningEuterpe Oleracea Fruit Extract
Sambucus Nigra Fruit Extract
AstringentSchisandra Chinensis Fruit Extract
Skin ConditioningPanax Ginseng Berry Extract
Skin Conditioning
Vaccinium Myrtillus Fruit Extract
Skin ConditioningArginine
Masking
Aspartic Acid
Masking
Adansonia Digitata Seed Oil
Emollient
PCA
Humectant
Ceramide 3
Skin Conditioning
Hydrogenated Lecithin
Emulsifying
Phospholipids
Skin Conditioning
Gluconic Acid
Glycine
Buffering
Alanine
MaskingBetaine
Humectant
Allantoin
Skin Conditioning
Xylitol
Humectant
Panthenol
Skin Conditioning
Hydrolyzed Collagen
Emollient
Juglans Regia Seed Oil
Skin Conditioning
Royal Jelly Extract
Skin Conditioning
Musa Sapientum Fruit Extract
Skin ConditioningTuber Melanosporum Extract
HumectantSodium Hyaluronate
Humectant
Propolis Extract
Skin Conditioning
Daucus Carota Sativa Root Extract
Skin Conditioning
Artemisia Capillaris Extract
Squalane
Emollient
Lactic Acid
Buffering
Serine
Masking
Valine
MaskingPropanediol
Solvent
Palmitoyl Tripeptide-5
Skin Conditioning
Caprylyl Glycol
Emollient
Cholesterol
Emollient
Isoleucine
Skin ConditioningThreonine
Proline
Skin ConditioningAsiaticoside
Antioxidant
Madecassic Acid
Skin Conditioning
Asiatic Acid
Skin ConditioningTocopheryl Acetate
Antioxidant
Tuber Magnatum Extract
Skin ConditioningPhenylalanine
Masking
Histidine
Humectant
Phellinus Linteus Extract
Skin ConditioningGlutathione
Pentylene Glycol
Skin ConditioningCeramide 2
Skin Conditioning
Ceramide 4
Skin Conditioning
Hydroxypropyltrimonium Hyaluronate
Olea Europaea Fruit Oil
Masking
Bifida Ferment Lysate
Skin Conditioning
Acetyl Hexapeptide-8
Humectant
Ceramide 1
Skin Conditioning
Ceramide 6 Ii
Skin Conditioning
Beta-Glucan
Skin Conditioning
Streptococcus Thermophilus Ferment
HumectantMadecassoside
Antioxidant
Hydrolyzed Hyaluronic Acid
Humectant
Hyaluronic Acid
Humectant
Oligopeptide-1
Skin Conditioning
Sodium Acetylated Hyaluronate
Humectant
Phytosterols
Skin Conditioning
Sodium Hyaluronate Crosspolymer
Humectant
Disodium EDTA
Parfum
Masking
Water, Glycerin, Caprylic/Capric Triglyceride, Dipropylene Glycol, Cetyl Ethylhexanoate, 1,2-Hexanediol, Niacinamide, Cyclopentasiloxane, Cyclohexasiloxane, Butyrospermum Parkii Butter, Glyceryl Stearate, Trehalose, PEG-100 Stearate, Dimethicone, Cetyl Alcohol, Stearyl Alcohol, Palmitic Acid, Stearic Acid, Carbomer, Tromethamine, Ethylhexylglycerin, Adenosine, Coptis Japonica Extract, Butylene Glycol, Lactobacillus Ferment Lysate, Isopentyldiol, Undaria Pinnatifida Extract, Dextrin, Theobroma Cacao Extract, Honey Extract, Sodium PCA, Sodium Lactate, Centella Asiatica Extract, Vaccinium Macrocarpon Fruit Extract, Fragaria Chiloensis Fruit Extract, Rubus Idaeus Fruit Extract, Vaccinium Angustifolium Fruit Extract, Cornus Officinalis Fruit Extract, Euterpe Oleracea Fruit Extract, Sambucus Nigra Fruit Extract, Schisandra Chinensis Fruit Extract, Panax Ginseng Berry Extract, Vaccinium Myrtillus Fruit Extract, Arginine, Aspartic Acid, Adansonia Digitata Seed Oil, PCA, Ceramide 3, Hydrogenated Lecithin, Phospholipids, Gluconic Acid, Glycine, Alanine, Betaine, Allantoin, Xylitol, Panthenol, Hydrolyzed Collagen, Juglans Regia Seed Oil, Royal Jelly Extract, Musa Sapientum Fruit Extract, Tuber Melanosporum Extract, Sodium Hyaluronate, Propolis Extract, Daucus Carota Sativa Root Extract, Artemisia Capillaris Extract, Squalane, Lactic Acid, Serine, Valine, Propanediol, Palmitoyl Tripeptide-5, Caprylyl Glycol, Cholesterol, Isoleucine, Threonine, Proline, Asiaticoside, Madecassic Acid, Asiatic Acid, Tocopheryl Acetate, Tuber Magnatum Extract, Phenylalanine, Histidine, Phellinus Linteus Extract, Glutathione, Pentylene Glycol, Ceramide 2, Ceramide 4, Hydroxypropyltrimonium Hyaluronate, Olea Europaea Fruit Oil, Bifida Ferment Lysate, Acetyl Hexapeptide-8, Ceramide 1, Ceramide 6 Ii, Beta-Glucan, Streptococcus Thermophilus Ferment, Madecassoside, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Oligopeptide-1, Sodium Acetylated Hyaluronate, Phytosterols, Sodium Hyaluronate Crosspolymer, Disodium EDTA, Parfum
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
- Humectant, drawing moisture into the skin
- Emollient, helping to soften skin
- Solvent, dispersing and stabilizing formulas
- Preservative booster, enhancing the antimicrobial activity of other preservatives
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.
Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.
This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.
Learn more about Caprylyl GlycolEthylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.
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 GlycerinLactic Acid is another well-loved alpha hydroxy acid (AHA). It is gentler than glycolic acid but still highly effective.
Its main role is to exfoliate the surface of the skin by loosening the “glue” that holds dead skin cells together. Shedding those old cells leads to smoother, softer, and more even-toned skin.
Because lactic acid molecules are larger than glycolic acid, they don’t penetrate as deeply. This means they’re less likely to sting or irritate, making it a great choice for beginners or those with sensitive skin.
Like glycolic acid, it can:
Lactic acid also acts as a humectant (like hyaluronic acid). It can draw water into the skin to improve hydration and also plays a role in the skin's natural moisturizing factor (NMF) in the form of sodium lactate.
Studies show it can boost ceramide production to strengthen the skin barrier and even help balance the skin’s microbiome.
To get results, choose products with a pH between 3-4.
Lower strengths (5-12%) focus on surface exfoliation; higher strengths (12% and up) can reach deeper in the dermis (deeper, supportive layer) to improve skin texture and firmness over time.
Though it was originally derived from milk, most modern lactic acid used in skincare is vegan. It is made through non-dairy fermentation to create a bio-identical and stable form suitable for all formulations.
When lactic acid shows up near the end of an ingredient list, it usually means the brand added just a tiny amount to adjust the product’s pH.
Legend has it that Cleopatra used to bathe in sour milk to help reduce wrinkles.
Lactic acid is truly a gentle multitasker: it exfoliates, hydrates, strengthens, and brightens. It's a great ingredient for giving your skin a smooth, glowing, and healthy look without the harshness of stronger acids.
Read more about some other popular AHA's here:
Learn more about Lactic AcidPanthenol is a common ingredient that helps hydrate and soothe the skin. It is found naturally in our skin and hair.
There are two forms of panthenol: D and L.
D-panthenol is also known as dexpanthenol. Most cosmetics use dexpanthenol or a mixture of D and L-panthenol.
Panthenol is famous due to its ability to go deeper into the skin's layers. Using this ingredient has numerous pros (and no cons):
Like hyaluronic acid, panthenol is a humectant. Humectants are able to bind and hold large amounts of water to keep skin hydrated.
This ingredient works well for wound healing. It works by increasing tissue in the wound and helps close open wounds.
Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.
This ingredient is also referred to as pro-vitamin B5.
Learn more about PanthenolPentylene 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.
The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.
This property also makes Pentylene Glycol a great texture enhancer. It can also help thicken or stabilize a product.
Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.
Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.
Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.
Learn more about Pentylene GlycolPropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.
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 PropanediolSodium Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.
The structure of Sodium Hyaluronate Crosspolymer allows it to stay in the skin's top layer for a longer period of time. This allows for even more hydration and humectant action than hyaluronic acid.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium Hyaluronate CrosspolymerWater. 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 WaterIngredient Ratings
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The Ordinary AHA 30% + BHA 2% Peeling Solution 24 ingredients
Neogen Probiotics Youth Repair Emulsion 106 ingredients
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