The INKEY List 1% Retinol Serum Versus ZO Skin Health Retinol Skin Brightener
Updated on June 28, 2024
Overview
What they are
These products are both reef safe serums. They have a total of 6 ingredients in common
Cool Features
They both contain retinoid and Vitamin E
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 parabens or sulfates
What's Inside
They both contain harsh alcohols, 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
The INKEY List 1% Retinol Serum 24 ingredients
ZO Skin Health Retinol Skin Brightener 49 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 INKEY List 1% Retinol Serum 24 ingredients
ZO Skin Health Retinol Skin Brightener 49 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningGlycerin
Humectant
Prunus Armeniaca Kernel Oil
Masking
Persea Gratissima Oil
Skin Conditioning
Caprylic/Capric Triglyceride
Masking
Squalane
Emollient
Cetearyl Alcohol
Emollient
Glyceryl Stearate Se
Emulsifying
Retinol
Skin Conditioning
Phenoxyethanol
Preservative
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingBenzyl Alcohol
Perfuming
Phospholipids
Skin Conditioning
Tocopherol
Antioxidant
Polyacrylate Crosspolymer-6
Emulsion StabilisingGlycine Soja Oil
Emollient
Ethylhexylglycerin
Skin ConditioningGlycolipids
Skin ConditioningDehydroacetic Acid
Preservative
Polysorbate 60
Emulsifying
Sorbitan Isostearate
Emulsifying
Trisodium Ethylenediamine Disuccinate
Glycine Soja Sterols
Emollient
T-Butyl Alcohol
Perfuming
Water, Glycerin, Prunus Armeniaca Kernel Oil, Persea Gratissima Oil, Caprylic/Capric Triglyceride, Squalane, Cetearyl Alcohol, Glyceryl Stearate Se, Retinol, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Benzyl Alcohol, Phospholipids, Tocopherol, Polyacrylate Crosspolymer-6, Glycine Soja Oil, Ethylhexylglycerin, Glycolipids, Dehydroacetic Acid, Polysorbate 60, Sorbitan Isostearate, Trisodium Ethylenediamine Disuccinate, Glycine Soja Sterols, T-Butyl Alcohol
Water
Skin ConditioningDimethicone
Emollient
Cetearyl Isononanoate
EmollientGlycerin
Humectant
Prunus Amygdalus Dulcis Oil
Skin Conditioning
Cetearyl Alcohol
Emollient
Cetyl Alcohol
Emollient
Steareth-20
CleansingPentylene Glycol
Skin ConditioningAscorbyl Glucoside
Antioxidant
Acrylamide/Ammonium Acrylate Copolymer
Polysorbate 20
Emulsifying
Retinol
Skin Conditioning
Prunus Armeniaca Kernel Oil
Masking
Pelargonium Graveolens Flower Oil
Masking
Lavandula Angustifolia Oil
Masking
Propylheptyl Caprylate
EmollientBakuchiol
Antimicrobial
Acetyl Glucosamine
Skin ConditioningCetearyl Glucoside
EmulsifyingLecithin
Emollient
Polyisobutene
Alcohol
Antimicrobial
Glutathione
Carbomer
Emulsion StabilisingCaprylyl Glycol
EmollientBisabolol
Masking
1,2-Hexanediol
Skin Conditioning
Silica
Abrasive
Polysorbate 80
Emulsifying
BHT
Antioxidant
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Antioxidant
Disodium EDTA
Sorbitan Isostearate
Emulsifying
Gluconolactone
Skin Conditioning
Tocopheryl Acetate
Antioxidant
Sodium Sulfite
Preservative
Sodium Metabisulfite
Antioxidant
Ascorbyl Palmitate
Antioxidant
Soy Isoflavones
Skin ConditioningSodium Hydroxide
BufferingPotassium Sorbate
Preservative
Sodium Benzoate
Masking
Linalool
Perfuming
Citronellol
Perfuming
Geraniol
Perfuming
Limonene
Perfuming
Citral
Perfuming
Coumarin
Perfuming
Water, Dimethicone, Cetearyl Isononanoate, Glycerin, Prunus Amygdalus Dulcis Oil, Cetearyl Alcohol, Cetyl Alcohol, Steareth-20, Pentylene Glycol, Ascorbyl Glucoside, Acrylamide/Ammonium Acrylate Copolymer, Polysorbate 20, Retinol, Prunus Armeniaca Kernel Oil, Pelargonium Graveolens Flower Oil, Lavandula Angustifolia Oil, Propylheptyl Caprylate, Bakuchiol, Acetyl Glucosamine, Cetearyl Glucoside, Lecithin, Polyisobutene, Alcohol, Glutathione, Carbomer, Caprylyl Glycol, Bisabolol, 1,2-Hexanediol, Silica, Polysorbate 80, BHT, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Disodium EDTA, Sorbitan Isostearate, Gluconolactone, Tocopheryl Acetate, Sodium Sulfite, Sodium Metabisulfite, Ascorbyl Palmitate, Soy Isoflavones, Sodium Hydroxide, Potassium Sorbate, Sodium Benzoate, Linalool, Citronellol, Geraniol, Limonene, Citral, Coumarin
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 WaterGlycerin 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 GlycerinThis ingredient is the oil from the apricot.
Apricot Kernel Oil is an emollient and helps soften skin. This is due to its fatty acid components. Some of these fatty acids include linoleic and oleic acid.
This ngredient also has antioxidant properties from Vitamins A, C, and E. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. Besides being antioxidants, these vitamins provide plenty of skin benefits as well.
Learn more about Prunus Armeniaca Kernel OilCetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Cetearyl alcohol is an emollient. Emollients help soothe and hydrate the skin by trapping moisture.
Studies show Cetearyl alcohol is non-toxic and non-irritating. The FDA allows products labeled "alcohol-free" to have fatty alcohols.
This ingredient is usually derived from plant oils such as palm, vegetable, or coconut oils. There is debate on whether this ingredient will cause acne.
Due to the fatty acid base, this ingredient may not be Malassezia folliculitis safe.
Learn more about Cetearyl AlcoholRetinol is a gold-standard ingredient for anti-aging. It is a form of Vitamin A and belongs to the class of retinoids that also includes tretinoin.
Why is retinol famous?
It has the most scientific studies backing up its skin benefits out of all the non-prescription ingredients.
Retinol is proven to:
This is why retinol is effective at removing wrinkles, fading dark spots, treating acne, and reducing the appearance of pores.
Studies show retinol is less effective when exposed to UV. Be sure to look for appropriate packaging to keep your retinol potent (similar to Vitamin C).
Using retinol or any retinoids will increase sun-sensitivity in the first few months. Though studies show retinoids increase your skin's natural SPF with continuous use, it is best to always wear sunscreen and sun-protection.
We recommend speaking with a medical professional about using this ingredient during pregnancy.
Retinol may cause irritation in some people, so be sure to patch test. Experts recommend 'ramping up' retinol use: start using this ingredient once a week and work up to using it daily.
Read about Tretinoin
Learn more about RetinolSorbitan Isostearate is an emulsifer and cleaning agent. It is created from isostearic acid and sorbitol.
As an emulsifier, Sorbitan Isostearate prevents oils and water from separating.
Due to its isostearic acid base, it may not be safe for Malassezia or fungal acne.
Learn more about Sorbitan IsostearateIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
The INKEY List 1% Retinol Serum 24 ingredients
ZO Skin Health Retinol Skin Brightener 49 ingredients
Reviews
Here's what our community thinks
The INKEY List 1% Retinol Serum 24 ingredients
ZO Skin Health Retinol Skin Brightener 49 ingredients
I can’t believe my cosmetologist prescribed me this. Following the exact routine she prescribed with ZO skin this was the thing that ruined whatever progress I had. My skin was breaking out for months and not just the purging type, but got proper red sores on neck etc from irritation. Had to stop, still mourning over the price. But I mean it did ease up my wrinkles. But never use on sensitive Show more
