Kosas Air Brow Tinted Volumizing Eyebrow Gel Versus Typology Serum Mascara 1% Pea Peptides + Castor Oil

Kosas Air Brow Tinted Volumizing Eyebrow Gel Versus Typology Serum Mascara 1% Pea Peptides + Castor Oil

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Copernicia Cerifera Wax

Euphorbia Cerifera Wax

Ricinus Communis Seed Oil

Pullulan

Stearic Acid

Cetyl Alcohol

Glycerin

Oleic/Linoleic/Linolenic Polyglycerides

Sorbitol

Glyceryl Oleate

Silica

Mica

Panthenol

Biotinoyl Tripeptide-1

Butyrospermum Parkii Butter

Tocopherol

Helianthus Annuus Seed Oil

Rosmarinus Officinalis Leaf Oil

Foeniculum Vulgare Fruit Oil

Trehalose

Acacia Senegal Gum

Polylactic Acid

Citric Acid

Xanthan Gum

Sodium Hydroxide

Phenethyl Alcohol

Pentylene Glycol

Propanediol

CI 77891

CI 77492

CI 77491

CI 77499

Water, Copernicia Cerifera Wax, Euphorbia Cerifera Wax, Ricinus Communis Seed Oil, Pullulan, Stearic Acid, Cetyl Alcohol, Glycerin, Oleic/Linoleic/Linolenic Polyglycerides, Sorbitol, Glyceryl Oleate, Silica, Mica, Panthenol, Biotinoyl Tripeptide-1, Butyrospermum Parkii Butter, Tocopherol, Helianthus Annuus Seed Oil, Rosmarinus Officinalis Leaf Oil, Foeniculum Vulgare Fruit Oil, Trehalose, Acacia Senegal Gum, Polylactic Acid, Citric Acid, Xanthan Gum, Sodium Hydroxide, Phenethyl Alcohol, Pentylene Glycol, Propanediol, CI 77891, CI 77492, CI 77491, CI 77499

Jojoba Esters

Polyurethane-9

Hydrolyzed Corn Starch

Cetearyl Olivate

Kaolin

Alcohol

Glyceryl Stearate

Sorbitan Olivate

Charcoal Powder

Rayon

Hydrogenated Olive Oil Stearyl Esters

Pisum Sativum Peptide

Phenylpropanol

Hydrolyzed Vegetable Protein

Sodium Myristoyl Glutamate

Hydrogenated Castor Oil

Sodium Gluconate

Methylpropanediol

Arginine

Aluminum Hydroxide

Leuconostoc/Radish Root Ferment Filtrate

Caprylyl Glycol

Sodium Benzoate

Water, CI 77499, Jojoba Esters, Polyurethane-9, Propanediol, Ricinus Communis Seed Oil, Hydrolyzed Corn Starch, Cetearyl Olivate, Kaolin, Alcohol, Glyceryl Stearate, Sorbitan Olivate, Charcoal Powder, Copernicia Cerifera Wax, Pentylene Glycol, Rayon, Hydrogenated Olive Oil Stearyl Esters, Glycerin, Pisum Sativum Peptide, Phenylpropanol, Hydrolyzed Vegetable Protein, Xanthan Gum, Sodium Myristoyl Glutamate, Hydrogenated Castor Oil, Sodium Gluconate, Methylpropanediol, Arginine, Sodium Hydroxide, Aluminum Hydroxide, Tocopherol, Silica, Leuconostoc/Radish Root Ferment Filtrate, Caprylyl Glycol, Helianthus Annuus Seed Oil, Sodium Benzoate

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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.

Ci 77499 is also hydrated iron III oxide. It is created from mixing red and black iron oxides. This helps give shades of darkness to a product.

Iron III oxides are classified as inorganic chemicals for coloring.

Copernicia Cerifera Wax comes from a palm tree native to Brazil; another name for this ingredient is Carnauba Wax.

This ingredient is used to thicken texture and also leaves behind a film when applied.

Fun fact: This wax has the highest melting point of all natural waxes and low solubility.

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.

Helianthus Annuus Seed Oil is a plant oil derived from the seeds of a sunflower.

It is rich in fatty acids, primarily linoleic acid and oleic acid. This gives it emollient and skin conditioning properties.

The reason this ingredient is so effective is because it forms a thin film on the skin that reduces transepidermal water loss (TEWL) while supplying linoleic acid to the stratum corneum to improve barrier strength.

The high linoleic acid content is particularly noteworthy for acne-prone skin.

Research suggests that acne-prone skin tends to be deficient in linoleic acid in sebum. Topical application may help replenish this to support a healthier follicular environment and less comedone-promoting sebum.

One randomized study found sunflower seed oil preserved skin barrier integrity in adult volunteers with and without atopic dermatitis (outperforming olive oil).

This ingredient is well-studied, gentle, and an effective emollient suitable for most skin types.

On fungal acne: This ingredient may not be Fungal acne (Malassezia folliculitis) safe. This is because it contains fatty acids with carbon chain lengths in the C11-C24 range.

Pentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula:

Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses.

On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations.

Typical use levels in a formula run about 1-5%.

Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.

It’s often used to:

Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.

This ingredient is also known as castor oil. It is a skin conditioning ingredient.

The star component of castor oil is ricinoleic acid, an unusual fatty acid that makes up ~80-92% of its composition.

In skincare, it is an emollient that dries down to a solid film with water-binding properties. This helps keep skin hydrated and helps reduce transepidermal water loss (TEWL).

A 2026 dermatology review pulls together its broader uses:

Human clinical testing found this ingredient to be non-irritating and non-sensitizing.

Because castor oil contains fatty acids in the C11-24 range, this ingredient may not be fungal acne safe.

At this time, the literature does not support castor oil in regrowing hair. A 2022 systematic review found no strong evidence that it supports hair growth and only weak evidence that it improves hair shine.

Castor oil itself carries "perfuming" and "masking" function tags according to the official CosIng database. This is because of its mild odor and odor-dampening properties.

Silica, also known as silicon dioxide, is a naturally occurring mineral. It is used as a fine, spherical, and porous powder in cosmetics.

Though it has exfoliant properties, the function of silica varies depending on the product.

The unique structure of silica enhances the spreadability and adds smoothness, making it a great texture enhancer.

It is also used as an active carrier, emulsifier, and mattifier due to its ability to absorb excess oil.

In some products, tiny microneedles called spicules are made from silica or hydrolyzed sponge. When you rub them in, they lightly polish away dead skin layers and enhance the penetration of active ingredients.

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.

Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.

"Alkaline" refers to a high pH level. A low pH level would be considered acidic.

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!

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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