The Ordinary Niacinamide 10% + Zinc 1% Versus The Ordinary Caffeine Solution 5% + EGCG
Updated on March 04, 2025
Overview
What they are
These products are both cruelty-free, fungal acne (malassezia) safe, and reef safe serums. They have a total of 5 ingredients in common
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots
Free From
They both do not contain any oils, 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
The Ordinary Niacinamide 10% + Zinc 1% 11 ingredients
The Ordinary Caffeine Solution 5% + EGCG 25 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 Niacinamide 10% + Zinc 1% 11 ingredients
The Ordinary Caffeine Solution 5% + EGCG 25 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningCaffeine
Skin Conditioning
Maltodextrin
Absorbent
Glycerin
Humectant
Propanediol
Solvent
Epigallocatechin Gallatyl Glucoside
Antioxidant
Gallyl Glucoside
Antioxidant
Hyaluronic Acid
Humectant
Oxidized Glutathione
EmollientMelanin
Skin ProtectingGlycine Soja Seed Extract
Skin Conditioning
Pentylene Glycol
Skin ConditioningHydroxyethylcellulose
Emulsion StabilisingPolyacrylate Crosspolymer-6
Emulsion StabilisingXanthan Gum
EmulsifyingLactic Acid
Buffering
Dehydroacetic Acid
Preservative
Trisodium Ethylenediamine Disuccinate
Propyl Gallate
Antioxidant
Dimethyl Isosorbide
SolventBenzyl Alcohol
Perfuming
1,2-Hexanediol
Skin Conditioning
Ethylhexylglycerin
Skin ConditioningPhenoxyethanol
Preservative
Caprylyl Glycol
EmollientWater, Caffeine, Maltodextrin, Glycerin, Propanediol, Epigallocatechin Gallatyl Glucoside, Gallyl Glucoside, Hyaluronic Acid, Oxidized Glutathione, Melanin, Glycine Soja Seed Extract, Pentylene Glycol, Hydroxyethylcellulose, Polyacrylate Crosspolymer-6, Xanthan Gum, Lactic Acid, Dehydroacetic Acid, Trisodium Ethylenediamine Disuccinate, Propyl Gallate, Dimethyl Isosorbide, Benzyl Alcohol, 1,2-Hexanediol, Ethylhexylglycerin, Phenoxyethanol, Caprylyl Glycol
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 WaterPentylene 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 GlycolDimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.
As a solvent, dimethyl isosorbide helps dissolve other ingredients. This helps ensure even distribution of an ingredient. It may also be used to decrease the thickness of a product.
Studies show dimethyl isosorbide is able to penetrate skin to deliver other ingredients into the skin, making them more effective.
Learn more about Dimethyl IsosorbideXanthan 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 GumPhenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
The Ordinary Niacinamide 10% + Zinc 1% 11 ingredients
The Ordinary Caffeine Solution 5% + EGCG 25 ingredients
Reviews
Here's what our community thinks
The Ordinary Niacinamide 10% + Zinc 1% 11 ingredients
Gotta give credit where credit is due
WOWβ¦ lot of people ganging up on this incredibly affordable/popular serum. I understand the criticisms, but personally I donβt believe the intensity is warranted. For so many people this was the start of their skincare journey; it certainly was mine! And because I had never used ingredients like niacinamide or zinc on my face before, of course I noticed an Show more
I've repurchased this so many times and tried different niacinamide serums but this one is my fav. It improves my hormonal acne so much and controls sebum production. Also, when I had the worst fungal acne flare-up ever, this and the lactic acid 5% SAVED ME. It burned a lot but now I don't have any bumps whatsoever. It won't work immediately so consistency is key. (I have combo-oily skin)
The Ordinary Caffeine Solution 5% + EGCG 25 ingredients
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A mistake a lot of people make is that they think this eye serum is made for the long term. It's not, it's a great depuff serum in the morning. So if you're prone to puffiness, then this is a great first step in your routine to depuff your eyebags before applying a more rich eye cream.
I hate the fact that the bottle gets a bit dirty because of the crystalization of the caffeine, but that's Show more
