Biossance Squalane + Marine Algae Eye Cream Versus SkinCeuticals A.G.E. Eye Complex

Biossance Squalane + Marine Algae Eye Cream Versus SkinCeuticals A.G.E. Eye Complex

This anti-aging eye moisturizer is formulated around Squalane and Palmitoyl Tripeptide-5 to soften the look of wrinkles and hydrate skin.

This anti-aging eye moisturizer is formulated around Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and fade the look of dark spots.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Caprylic/Capric Triglyceride

Squalane

Glycerin

Sorbitan Olivate

Cetearyl Olivate

Jojoba Esters

Glyceryl Stearate Se

Panthenol

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Cetyl Palmitate

Spilanthes Acmella Flower Extract

Palmitoyl Tripeptide-5

Sorbitan Palmitate

Dunaliella Salina Extract

Astaxanthin

Sodium Hyaluronate

Phenoxyethanol

Ethylhexylglycerin

Tocopherol

Citric Acid

Water, Caprylic/Capric Triglyceride, Squalane, Glycerin, Sorbitan Olivate, Cetearyl Olivate, Jojoba Esters, Glyceryl Stearate Se, Panthenol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Cetyl Palmitate, Spilanthes Acmella Flower Extract, Palmitoyl Tripeptide-5, Sorbitan Palmitate, Dunaliella Salina Extract, Astaxanthin, Sodium Hyaluronate, Phenoxyethanol, Ethylhexylglycerin, Tocopherol, Citric Acid

Dimethicone

Isohexadecane

Paraffin

Propylene Glycol

Silica

Polyglyceryl-4 Isostearate

Cetyl PEG/PPG-10/1 Dimethicone

Hexyl Laurate

Nylon-12

Hydroxypropyl Tetrahydropyrantriol

Methylsilanol/Silicate Crosspolymer

Polyethylene

Ascorbyl Glucoside

Octyldodecanol

Tocopheryl Acetate

Ammonium Polyacryloyldimethyl Taurate

PEG-6 Isostearate

Triethanolamine

Sodium Citrate

Methylparaben

Chlorphenesin

Caffeine

Titanium Dioxide

Ethylparaben

Menthoxypropanediol

Vaccinium Myrtillus Fruit Extract

Hesperidin Methyl Chalcone

Pentasodium Pentetate

Aluminum Hydroxide

Stearic Acid

Hesperetin Laurate

N-Hydroxysuccinimide

Dipeptide-2

Palmitoyl Tetrapeptide-7

Palmitoyl Oligopeptide

Chrysin

Water, Glycerin, Dimethicone, Isohexadecane, Paraffin, Propylene Glycol, Silica, Polyglyceryl-4 Isostearate, Cetyl PEG/PPG-10/1 Dimethicone, Hexyl Laurate, Nylon-12, Hydroxypropyl Tetrahydropyrantriol, Methylsilanol/Silicate Crosspolymer, Polyethylene, Ascorbyl Glucoside, Caprylic/Capric Triglyceride, Octyldodecanol, Phenoxyethanol, Tocopheryl Acetate, Ammonium Polyacryloyldimethyl Taurate, PEG-6 Isostearate, Triethanolamine, Sodium Citrate, Methylparaben, Chlorphenesin, Caffeine, Titanium Dioxide, Ethylparaben, Menthoxypropanediol, Vaccinium Myrtillus Fruit Extract, Hesperidin Methyl Chalcone, Pentasodium Pentetate, Aluminum Hydroxide, Stearic Acid, Hesperetin Laurate, N-Hydroxysuccinimide, Dipeptide-2, Palmitoyl Tetrapeptide-7, Palmitoyl Oligopeptide, Chrysin

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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.

Caprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moisture loss.

Though it behaves like an oil, it is not technically one due to its chemical composition. One perk of this ingredient is that it is very stable, resistant to oxidation, and unlikely to go rancid.

In practice, that translates to a long shelf life and a consistently elegant skin feel.

While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this. Just patch test if you have concerns.

Fractionated coconut oil and MCT Oil are both listed as Caprylic/Capric Triglyceride according to INCI. This is because INCI names are based on the ingredient’s final chemical composition and not its marketing name or source.

This ingredient is treated as the gold standard fungal acne safe oil. Even though it is coconut derived, the problematic lauric acid is stripped out.

This leaves just caprylic (C8) and capric (C10) acid. These chain lengths actually trend antifungal; a 2020 study found caprylic acid was enough to disrupt Malassezia furfur cell membrane, with a caprylic acid derivative damaging membrane structures at concentrations as low as 0.2%.

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!

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