The Ordinary Azelaic Acid Suspension 10% Versus The Ordinary Lactic Acid 5% + HA
Updated on March 04, 2025
Overview
What they are
These products are both vegan, cruelty-free, and reef safe . They have a total of 3 ingredients in common
Suited For
They're both likely to be good for anti aging, dry skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens 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
The Ordinary Azelaic Acid Suspension 10% 17 ingredients
The Ordinary Lactic Acid 5% + HA 15 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
The Ordinary Azelaic Acid Suspension 10% 17 ingredients
The Ordinary Lactic Acid 5% + HA 15 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningIsodecyl Neopentanoate
EmollientDimethicone
Emollient
Azelaic Acid
Buffering
Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer
EmollientDimethyl Isosorbide
SolventHydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingPolysilicone-11
Isohexadecane
EmollientTocopherol
Antioxidant
Trisodium Ethylenediamine Disuccinate
Isoceteth-20
Emulsifying
Polysorbate 60
Emulsifying
Triethanolamine
BufferingEthoxydiglycol
HumectantPhenoxyethanol
Preservative
Chlorphenesin
Antimicrobial
Water, Isodecyl Neopentanoate, Dimethicone, Azelaic Acid, Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer, Dimethyl Isosorbide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Polysilicone-11, Isohexadecane, Tocopherol, Trisodium Ethylenediamine Disuccinate, Isoceteth-20, Polysorbate 60, Triethanolamine, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin
Water
Skin ConditioningLactic Acid
Buffering
Glycerin
Humectant
Pentylene Glycol
Skin ConditioningPropanediol
Solvent
Sodium Hyaluronate Crosspolymer
Humectant
Tasmannia Lanceolata Fruit/Leaf Extract
Antioxidant
Acacia Senegal Gum
MaskingXanthan Gum
EmulsifyingIsoceteth-20
Emulsifying
Trisodium Ethylenediamine Disuccinate
Sodium Hydroxide
BufferingEthylhexylglycerin
Skin Conditioning1,2-Hexanediol
Skin Conditioning
Caprylyl Glycol
EmollientIngredients 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 WaterTrisodium Ethylenediamine Disuccinate is used to help stabilize a product.
It is a chelating agent, meaning it helps prevent metal ions from binding to other ingredients. This prevents unwanted reactions in products. Metal ions can come into a product via the water ingredient. They are found in trace amounts and are not known to be harmful.
Isoceteth-20 comes from Isocetyl Alcohol. It is an emulsifier. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
The Ordinary Azelaic Acid Suspension 10% 17 ingredients
The Ordinary Lactic Acid 5% + HA 15 ingredients
Reviews
Here's what our community thinks
The Ordinary Azelaic Acid Suspension 10% 17 ingredients
It’s a great starter product with azelic acid.
The price is relatively cheap, the tube will last you long time and it delivers what it should - azelic acid.
However, despite people’s suggestions here I personally would not use it as last step. It does not say it on their homepage but azelic acid has usually low ph. Thus adding it as last step might cause damaged skin barrier on a long run! Show more
Hate
I have rosacea and perioral dermatitis so I thought this would heal my skin but I HATE it. It’s silicone based so it dries matte and you can’t apply sunscreen or any makeup on top. You also can’t reapply because it’ll start pilling. Don’t even think about touching your face after putting this on because it’ll pill. It also stings really bad which is the opposite of what you need for rosacea Show more
The Ordinary Lactic Acid 5% + HA 15 ingredients
Holy grail for real. This stuff works instantly overnight to sooth acne and balance skin tone/texture. Everytime I do some damage picking at my skin, this serum basically undoes it all. Fantastic for maintenance whilst purging acne, I use this in rotation with the inkey list BHA serum and they have resurfaced and evened out all my fungal acne, going to move onto the 10% for clearing up my scars Show more
🤍 been using this for 2 years now, and i've really seen significant changes in my skin—especially with hyperpigmentation and texture ♡ however, it can be a bit irritating since i have sensitive skin, and it feels a little harsh when i combine it with the niacinamide 10% + zinc from the ordinary too. so, on my heavier days where my skin is extra sensitive, i skip this serum and just use moisturizer Show more
