Skin science article
No7 Protect & Perfect Intense Advanced Eye Cream Versus The INKEY List Retinol Eye Cream
No7 Protect & Perfect Intense Advanced Eye Cream Versus The INKEY List Retinol Eye Cream This anti-aging eye moisturizer is formulated around Retinyl Palmitate and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles. This anti-aging eye moisturizer is form
No7 Protect & Perfect Intense Advanced Eye Cream Versus The INKEY List Retinol Eye Cream
This anti-aging eye moisturizer is formulated around Retinyl Palmitate and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles.
This anti-aging eye moisturizer is formulated around Retinol and Sodium Hyaluronate to soften the look of wrinkles and refine skin texture.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Cyclopentasiloxane
Butyrospermum Parkii Butter
Cyclohexasiloxane
Cetearyl Alcohol
Butylene Glycol
Polyacrylamide
Glyceryl Stearate
PEG-100 Stearate
Phenoxyethanol
Stearic Acid
Palmitic Acid
Alcohol Denat.
C13-14 Isoparaffin
Methylparaben
Propylene Glycol
Laureth-7
Tocopheryl Acetate
Sodium Hyaluronate
Ethylparaben
Ascorbyl Glucoside
Retinyl Palmitate
Sodium Polyacrylate
Hydrolyzed Rice Protein
Tetrasodium EDTA
Sorbitan Laurate
Potassium Hydroxide
Hesperidin Methyl Chalcone
Panax Ginseng Root Extract
Carbomer
Steareth-20
Dimethylmethoxy Chromanol
Medicago Sativa Extract
Polysorbate 20
Hydroxyethylcellulose
Morus Alba Leaf Extract
Sodium Benzoate
Chlorhexidine Digluconate
Tocopherol
Acetyl Dipeptide-1 Cetyl Ester
Potassium Sorbate
Ethylhexylglycerin
Dipeptide-2
Palmitoyl Tetrapeptide-7
Palmitoyl Tripeptide-1
CI 77891
CI 77492
CI 77491
CI 77499
Water, Glycerin, Cyclopentasiloxane, Butyrospermum Parkii Butter, Cyclohexasiloxane, Cetearyl Alcohol, Butylene Glycol, Polyacrylamide, Glyceryl Stearate, PEG-100 Stearate, Phenoxyethanol, Stearic Acid, Palmitic Acid, Alcohol Denat., C13-14 Isoparaffin, Methylparaben, Propylene Glycol, Laureth-7, Tocopheryl Acetate, Sodium Hyaluronate, Ethylparaben, Ascorbyl Glucoside, Retinyl Palmitate, Sodium Polyacrylate, Hydrolyzed Rice Protein, Tetrasodium EDTA, Sorbitan Laurate, Potassium Hydroxide, Hesperidin Methyl Chalcone, Panax Ginseng Root Extract, Carbomer, Steareth-20, Dimethylmethoxy Chromanol, Medicago Sativa Extract, Polysorbate 20, Hydroxyethylcellulose, Morus Alba Leaf Extract, Sodium Benzoate, Chlorhexidine Digluconate, Tocopherol, Acetyl Dipeptide-1 Cetyl Ester, Potassium Sorbate, Ethylhexylglycerin, Dipeptide-2, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, CI 77891, CI 77492, CI 77491, CI 77499
Caprylic/Capric Triglyceride
Pentaerythrityl Distearate
Shea Butter Ethyl Esters
Cetearyl Olivate
Benzyl Alcohol
Sorbitan Olivate
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Sodium Hydroxide
Sodium Stearoyl Glutamate
Copernicia Cerifera Cera
Propanediol
Glycogen
Sodium Gluconate
Retinol
Dehydroacetic Acid
Citric Acid
Helianthus Annuus Seed Oil
1,2-Hexanediol
Caprylyl Glycol
Disodium Cocoamphodiacetate
Xanthan Gum
Ethyl Ferulate
Humulus Lupulus Extract
Water, Caprylic/Capric Triglyceride, Glycerin, Butylene Glycol, Pentaerythrityl Distearate, Shea Butter Ethyl Esters, Cetearyl Olivate, Phenoxyethanol, Benzyl Alcohol, Sorbitan Olivate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Hydroxide, Sodium Hyaluronate, Sodium Stearoyl Glutamate, Copernicia Cerifera Cera, Propanediol, Glycogen, Sodium Gluconate, Retinol, Polysorbate 20, Ethylhexylglycerin, Dehydroacetic Acid, Citric Acid, Helianthus Annuus Seed Oil, 1,2-Hexanediol, Caprylyl Glycol, Disodium Cocoamphodiacetate, Tocopherol, Xanthan Gum, Ethyl Ferulate, Humulus Lupulus Extract
Reviews
Be the first to review
Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:
The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.
Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.
Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).
It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.
On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.
Another perk of this ingredient is that it stays functional across a wide pH range (3-10).
You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.
Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.
Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.
Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.
Polysorbate 20 is a gentle, water-soluble emulsifier and mild surfactant. It stops oil and water from separating to keep your formulas blended and stable.
It also acts as a mild penetration enhancer by helping active ingredients absorb slightly better.
The common safety discussion around this ingredient involves a manufacturing byproduct called 1,4-dioxane.
Trace amounts can form during production but the EU's Scientific Committee on Consumer Safety has concluded that levels at/below 10 ppm in finished products are safe (commercial products consistently fall within acceptable margins).
True allergic reactions are uncommon and the CIR Expert Panel has confirmed this ingredient to be safe as used in cosmetics.
Because it is derived from lauric acid, it may not be fungal acne safe.
Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.
In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.
Interestingly, the size of the molecule affects its behavior:
Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.
Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.
You'll typically see concentrations between 0.1-2% for this ingredient.
Tocopherol is a fat-soluble antioxidant known as Vitamin E.
You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.
Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.
It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.
This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.
This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.
In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.
Concentrations usually range from 0.1-1% in most leave-on products.
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. Remember to stay hydrated!