Peptide Skincare & BeautySkin science and ingredient guides

Skin science article

iNNBEAUTY PROJECT Extreme Cream Eye Versus Biossance Squalane + Peptide Eye Gel

iNNBEAUTY PROJECT Extreme Cream Eye Versus Biossance Squalane + Peptide Eye Gel This anti-aging eye moisturizer is formulated around Squalane and Acetyl Hexapeptide-8 to soften the look of wrinkles and hydrate skin. This anti-aging eye moisturizer is formulate

iNNBEAUTY PROJECT Extreme Cream Eye Versus Biossance Squalane + Peptide Eye Gel

This anti-aging eye moisturizer is formulated around Squalane and Acetyl Hexapeptide-8 to soften the look of wrinkles and hydrate skin.

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

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

C13-15 Alkane

Squalane

Propanediol

Lauryl Laurate

Polyglyceryl-5 Polyricinoleate

Glycerin

Magnesium Sulfate

1,2-Hexanediol

Quaternium-90 Bentonite

Polyglyceryl-20 Octadecabehenate/Laurate

Acetyl Hexapeptide-8

Acetyl Tetrapeptide-5

Arginine/Lysine Polypeptide

Prolinamidoethyl Imidazole

Arginine

Acmella Oleracea Extract

Coffea Arabica Seed Oil

Centella Asiatica Extract

Tremella Fuciformis Extract

Glyceryl Glucoside

Aesculus Hippocastanum Extract

Tulipa Gesneriana Flower Extract

Padina Pavonica Thallus Extract

Gluconolactone

Bisabolol

Allantoin

Sodium PCA

Butylene Glycol

Caprylyl Glycol

Oryza Sativa Bran Oil

Fructose

Maltodextrin

Dextran

Glyceryl Behenate

Polyglyceryl-6 Octastearate

Tocopherol

Stearic Acid

Calcium Gluconate

Triethyl Citrate

Citric Acid

Hydroxyacetophenone

Ethylhexylglycerin

Sodium Benzoate

Potassium Sorbate

Zinc Stearate

Water, C13-15 Alkane, Squalane, Propanediol, Lauryl Laurate, Polyglyceryl-5 Polyricinoleate, Glycerin, Magnesium Sulfate, 1,2-Hexanediol, Quaternium-90 Bentonite, Polyglyceryl-20 Octadecabehenate/Laurate, Acetyl Hexapeptide-8, Acetyl Tetrapeptide-5, Arginine/Lysine Polypeptide, Prolinamidoethyl Imidazole, Arginine, Acmella Oleracea Extract, Coffea Arabica Seed Oil, Centella Asiatica Extract, Tremella Fuciformis Extract, Glyceryl Glucoside, Aesculus Hippocastanum Extract, Tulipa Gesneriana Flower Extract, Padina Pavonica Thallus Extract, Gluconolactone, Bisabolol, Allantoin, Sodium PCA, Butylene Glycol, Caprylyl Glycol, Oryza Sativa Bran Oil, Fructose, Maltodextrin, Dextran, Glyceryl Behenate, Polyglyceryl-6 Octastearate, Tocopherol, Stearic Acid, Calcium Gluconate, Triethyl Citrate, Citric Acid, Hydroxyacetophenone, Ethylhexylglycerin, Sodium Benzoate, Potassium Sorbate, Zinc Stearate

Aloe Barbadensis Leaf Juice

Niacinamide

Panthenol

Chondrus Crispus Extract

Malus Domestica Fruit Cell Culture Extract

Pentylene Glycol

Cucumis Sativus Fruit Extract

Tetrahexyldecyl Ascorbate

Camellia Sinensis Leaf Extract

Lycium Barbarum Fruit Extract

Lycopene

Vitis Vinifera Skin Extract

Sodium Hyaluronate

Caffeine

Acacia Senegal Gum

Dimethicone Crosspolymer

Xanthan Gum

Carbomer

Ethyl Lauroyl Arginate Hcl

Lecithin

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Silica

Phenoxyethanol

Water, Aloe Barbadensis Leaf Juice, Squalane, Niacinamide, Glycerin, Panthenol, Chondrus Crispus Extract, Malus Domestica Fruit Cell Culture Extract, Acetyl Tetrapeptide-5, Acetyl Hexapeptide-8, Tocopherol, Pentylene Glycol, Cucumis Sativus Fruit Extract, Tetrahexyldecyl Ascorbate, Camellia Sinensis Leaf Extract, Lycium Barbarum Fruit Extract, Lycopene, Vitis Vinifera Skin Extract, Sodium Hyaluronate, Caffeine, Acacia Senegal Gum, Dimethicone Crosspolymer, Xanthan Gum, Carbomer, Ethyl Lauroyl Arginate Hcl, Lecithin, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Silica, Phenoxyethanol, Potassium Sorbate, Citric Acid, Caprylyl Glycol

Reviews

Alternatives

Ingredients Explained

These ingredients are found in both products.

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

Acetyl Hexapeptide-8 (also known as Argireline) is a synthetic hexapeptide that is often called a "topical Botox alternative".

It works by mimicking how Botox relaxes muscles; it interferes with the signaling process that tells your facial muscles to contract. This can help soften expression lines like forehead wrinkles or crow's feet over time.

The comparison to Botox does have limits because the molecule is water-loving and relatively large.

Acetyl Hexapeptide-8 has a hard time absorbing deeply enough through the skin's outer barrier to actually reach the muscles.

So whether it truly works the way Botox does at a biological level is still up for debate, but early clinical outcomes are fairly encouraging.

A 12 week human study of a multi-ingredient regimen containing this ingredient saw:

While some studies have observed improvements in wrinkle appearance, it is important to note that more consistent results are seen in multi-ingredient formulations (vs just Acetyl Hexapeptide-8 alone).

Some research studies also used higher concentrations (up to 10%) while this ingredient is usually found in concentrations up to 0.005% in leave-on formulations.

Acetyl Tetrapeptide-5 is a peptide that goes by another name, eyeseryl, due to claims that it can help reduce eye puffiness.

The manufacturer claims this ingredient reduces eye puffiness by:

An in-vivo study from the manufacturer found 95% of volunteers saw eye bag improvement by the end of the study.

Eye puffiness is caused by two major factors: fluid retention and fat.

Those with fluid retention may see improvement from using this ingredient. However, those with eye fat will need surgical intervention in order to get rid of puffiness.

Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.

Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.

Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).

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.

Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.

This ingredient comes from potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.

Both potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.

You'll often find this ingredient used with other preservatives.

Squalane is the hydrogenated and shelf-stable form of squalene (a lipid that naturally occurs in human sebum).

It is an emollient and skin conditioning agent that is able to integrate seamlessly into the skin's lipid barrier without clogging pores.

This is due to how structurally similar it is to what your skin already produces.

Though it is mostly an emollient that helps soften and hydrate skin, it also has some humectant and occlusive action. Humectants help the skin retain moisture while occlusives seal it in, making squalane a triple-threat moisturizer.

Research shows it has antioxidant capabilities that help protect against stressors like UV exposure, specifically UVA induced oxidative stress. This study also found that it supports collagen biosynthesis in human dermal fibroblasts.

No clinical study has reported significant adverse effects and irritation reactions are very rare from this ingredient (even at 100% concentration).

Overall, it's a fantastic ingredient for hydration and is suitable for all skin types.

This depends on the source. Squalane can be derived from both plants and animals. Most squalane used in skincare comes from plants.

Please note: the source of squalane is only known if disclosed by the brand. We recommend reaching out to the brand if you have any questions about their squalane.

Read more about squalene with an "e".

Though squalane is often called an oil, it’s technically not one. It is a hydrocarbon, meaning it is only made of carbon and hydrogen. True oils are triglycerides and made of fatty acids and glycerol.

The term “oil-free” isn’t regulated so companies can define it however they want. Some exclude all oils, while others just avoid mineral oil or comedogenic oils.

Squalane has a comedogenic rating of 1 from the original 1972 study that tested raw ingredients under occlusion on rabbit ears. This system is not standardized or peer-reviewed, and using the raw ingredients is very different from how diluted cosmetic formulations are used on human skin.

A comedogenic rating of 1 means it is "unlikely to clog pores" according to the original rating system.

The overall formula of a product matters more than the individual ingredients on whether or not it will cause clogged pores.

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!

Similar Comparisons

The reference edit

Ingredients, questions
& further reading.

Connected source records selected through this article’s public topic index.

01

Formula cabinet

Ingredients & structured notes

Ingredient index

Ingredients Side-by-side

  1. 01Water
  2. 02Glycolic Acid
  3. 03Alcohol Denat.
  4. 04Ammonium Hydroxide
  5. 05Butylene Glycol
  6. 06Aloe Barbadensis Leaf Juice
  7. 07Hydroxyethylcellulose
  8. 08Disodium EDTA
  9. 09Potassium Sorbate
  10. 10Sodium Benzoate
  11. 11Water, Glycolic Acid, Alcohol Denat., Ammonium Hydroxide, Butylene Glycol, Aloe Barbadensis Leaf Juice, Hydroxyethylcellulose, Disodium EDTA, Potassium Sorbate, Sodium Benzoate
  12. 12Squalane
  13. 13Niacinamide
  14. 14Glycerin
  15. 15Panthenol
  16. 16Chondrus Crispus Extract
  17. 17Malus Domestica Fruit Cell Culture Extract
  18. 18Acetyl Tetrapeptide-5
  19. 19Acetyl Hexapeptide-8
  20. 20Tocopherol
Source · skinsort.com
02

Product index

Related product references

Product

BIOSSANCE Squalane + Peptide Eye Gel

BIOSSANCE Squalane + Peptide Eye Gel BIOSSANCE Squalane + Peptide Eye Gel ingredients explained: Water/Aqua, Aloe Barbadensis Leaf Juice*, Squalane, Niacinamide, Glycerin, Panthenol, Chondr…

Source: incidecoder.comView reference →

Product

Biossance Squalane + Peptide Eye Gel

Biossance Squalane + Peptide Eye Gel Ingredients in Biossance Squalane + Peptide Eye Gel explained: benefits, concerns, and detailed analysis of 32 ingredients including Water, Aloe Barbade…

Source: skinsort.comView reference →
03

Comparison edit

Read side by side