Medik8 Advanced Day Eye Protect SPF 30 Versus Allies of Skin Peptides & Omegas Firming Eye Cream

Medik8 Advanced Day Eye Protect SPF 30 Versus Allies of Skin Peptides & Omegas Firming Eye Cream

This anti-aging eye moisturizer is formulated around Caffeine and Carnosine to soften the look of wrinkles.

This anti-aging eye moisturizer is formulated around Squalane and Bakuchiol to soften the look of wrinkles and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Diethylamino Hydroxybenzoyl Hexyl Benzoate

Dibutyl Adipate

Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine

Glycerin

C12-15 Alkyl Benzoate

Cetearyl Alcohol

Dicaprylyl Carbonate

Ethylhexyl Triazone

Potassium Cetyl Phosphate

Caffeine

Sodium Polyacrylate

Phenoxyethanol

Butylene Glycol

Carnosine

Xanthan Gum

Sodium Hyaluronate

Tetrahexyldecyl Ascorbate

Glucosyl Hesperidin

Moringa Oleifera Seed Extract

Disodium EDTA

Benzoic Acid

Ethylhexylglycerin

Disodium Phosphate

Theobroma Cacao Seed Extract

Dehydroacetic Acid

Citric Acid

Ectoin

Dimethicone/Vinyl Dimethicone Crosspolymer

Polysilicone-11

Silica

Laureth-12

Water, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Dibutyl Adipate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Glycerin, C12-15 Alkyl Benzoate, Cetearyl Alcohol, Dicaprylyl Carbonate, Ethylhexyl Triazone, Potassium Cetyl Phosphate, Caffeine, Sodium Polyacrylate, Phenoxyethanol, Butylene Glycol, Carnosine, Xanthan Gum, Sodium Hyaluronate, Tetrahexyldecyl Ascorbate, Glucosyl Hesperidin, Moringa Oleifera Seed Extract, Disodium EDTA, Benzoic Acid, Ethylhexylglycerin, Disodium Phosphate, Theobroma Cacao Seed Extract, Dehydroacetic Acid, Citric Acid, Ectoin, Dimethicone/Vinyl Dimethicone Crosspolymer, Polysilicone-11, Silica, Laureth-12

Tribehenin

Caprylic/Capric Triglyceride

Isodecyl Neopentanoate

Glyceryl Stearate

Propanediol

Squalane

Acrylamide/Sodium Acryloyldimethyltaurate Copolymer

Leuconostoc/Radish Root Ferment Filtrate

Caprylyl Glycol

Bakuchiol

Sodium Ascorbyl Phosphate

Ceramide NP

Rosa Canina Seed Oil

Adansonia Digitata Seed Oil

Argania Spinosa Kernel Oil

Glycyrrhiza Glabra Root Extract

Pfaffia Paniculata Root Extract

Ptychopetalum Olacoides Bark/Stem Extract

Calanthe Discolor Extract

Lilium Candidum Flower Extract

Ubiquinone

Superoxide Dismutase

Ergothioneine

Tocopheryl Acetate

Bisabolol

Allantoin

Biotin

Hesperidin Methyl Chalcone

Methylglucoside Phosphate

Copper Lysinate/Prolinate

Palmitoyl Tetrapeptide-7

Chrysin

Gluconolactone

Dipeptide-2

Palmitoyl Tripeptide-1

N-Prolyl Palmitoyl Tripeptide-56 Acetate

Calcium Gluconate

N-Hydroxysuccinimide

Caprylyl/Capryl Glucoside

Glyceryl Polyacrylate

Isohexadecane

Pentylene Glycol

Polysorbate 80

Sodium Citrate

Sodium Gluconate

Sodium Hydroxide

Sorbitan Oleate

Steareth-20

Benzyl Alcohol

Chlorhexidine Digluconate

Sodium Benzoate

Potassium Sorbate

Water, Glycerin, Tribehenin, Caprylic/Capric Triglyceride, Isodecyl Neopentanoate, Glyceryl Stearate, Propanediol, Squalane, Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Leuconostoc/Radish Root Ferment Filtrate, Caprylyl Glycol, Bakuchiol, Sodium Ascorbyl Phosphate, Ceramide NP, Rosa Canina Seed Oil, Adansonia Digitata Seed Oil, Argania Spinosa Kernel Oil, Glycyrrhiza Glabra Root Extract, Pfaffia Paniculata Root Extract, Ptychopetalum Olacoides Bark/Stem Extract, Calanthe Discolor Extract, Lilium Candidum Flower Extract, Ubiquinone, Superoxide Dismutase, Ergothioneine, Tocopheryl Acetate, Bisabolol, Allantoin, Biotin, Hesperidin Methyl Chalcone, Methylglucoside Phosphate, Copper Lysinate/Prolinate, Palmitoyl Tetrapeptide-7, Chrysin, Gluconolactone, Dipeptide-2, Palmitoyl Tripeptide-1, N-Prolyl Palmitoyl Tripeptide-56 Acetate, Calcium Gluconate, N-Hydroxysuccinimide, Caprylyl/Capryl Glucoside, Citric Acid, Glyceryl Polyacrylate, Isohexadecane, Pentylene Glycol, Polysorbate 80, Sodium Citrate, Sodium Gluconate, Sodium Hydroxide, Sorbitan Oleate, Steareth-20, Xanthan Gum, Benzyl Alcohol, Chlorhexidine Digluconate, Sodium Benzoate, Potassium Sorbate, Phenoxyethanol

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Alternatives

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes.

Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath.

However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products.

Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH.

In skincare formulas, citric acid can:

While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants.

Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations.

Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger.

However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure.

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.

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!

Xanthan 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.

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