Hydrogenated Polyisobutene is a synthetic polymer. Polymers are compounds with high molecular weight. Hydrogenated Polyisobutene is an emollient and texture enhancer.

In one study, Hydrogenated Polyisobutene showed better skin hydration levels than Caprylic/Capric Triglyceride. As an emollient, it helps keep your skin soft and hydrated by trapping moisture in.

Hydrogenated Polyisobutene is often used as a mineral oil replacement.

Learn more about Hydrogenated Polyisobutene

Octyldodecanol

Emollient, Masking

Octyldodecanol is a fatty alcohol. It is primarily used to enhance the texture of products.

As an emulsifier, Octyldodecanol helps prevent the oils and waters from separating. It also prevents ingredients from creating foam when shaken.

Octyldodecanol is created by reducing fatty acid to an alcohol.

Due to its high molecular weight, it does not get absorbed into the skin.

Learn more about Octyldodecanol

Silica Dimethyl Silylate

Emollient, Emulsion Stabilising

This silica is mainly used to thicken oils and suspend particles in oils. It is not water soluble.

According to the manufacturer, it:

The manufacturer also claims this ingredient to be useful in makeup.

In lipstick formulations, this ingredient improves color payoff, reduces pigment settling, and reduces oil bleeding. This ingredient also improves the grip of powder products such as dry shampoos.

Learn more about Silica Dimethyl Silylate

Trimethylolpropane Triisostearate

Emollient, Skin Conditioning

We don't have a description for Trimethylolpropane Triisostearate yet.

Hydrogenated Styrene/Isoprene Copolymer

We don't have a description for Hydrogenated Styrene/Isoprene Copolymer yet.

Caprylic/Capric Triglyceride

Masking, Skin Conditioning

This ingredient is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.

It helps thicken a product's formula and makes it easier to spread by dissolving clumping compounds.

Caprylic Triglyceride is made by combining glycerin with coconut oil, forming a clear liquid.

While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this.

Learn more about Caprylic/Capric Triglyceride

Aroma

Aroma refers to an ingredient, or mixture of ingredients, that impart or mask a flavor.

The name is slightly confusing. This is because INCI associates aroma with flavor instead of smell.

Here is the official definition from the The International Cosmetic Ingredient Dictionary and Handbook:

“Aroma is a term for ingredient labeling used to identify that a product contains a material or combination of materials normally added to a cosmetic to produce or to mask a particular flavor.”

INCI shows the only purpose of aroma to be "flavouring".

However, due to regulation differences, some companies may use aroma in place of parfum.

In Canada, this ingredient only has to be listed in concentrations above 1%.

Learn more about Aroma

Caprylyl Glycol

Emollient, Humectant, Skin Conditioning

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.

Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.

This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.

Learn more about Caprylyl Glycol

Calcium Aluminum Borosilicate

Calcium Aluminum Borosilicate is made up of calcium, aluminum, and silicates. It is a glass-like material. In cosmetics, it comes in the form of flakes or microspheres.

Calcium aluminum borosilicate is a bulking agent, meaning it helps thicken a product.

This ingredient is created by slowly mixing several minerals, including kaolin clay.

Although “aluminum” in an ingredient name can raise red flags for some consumers, the form and usage context matter significantly. For typical topical applications, there is no substantial evidence of health risks - such as cancer, neurotoxicity, or systemic “aluminum overload.”

Learn more about Calcium Aluminum Borosilicate

Tin Oxide

Abrasive

Tin Oxide is an inorganic oxide used to add opacity and volume to a product. In nature, it is already found in mineral form. The main ore of tin is an opaque and shiny mineral called casseterite.

Tin Oxide helps remove translucency in a product, or make it more opaque. Besides adding opacity, tin oxide is used for bulking to add volume.

Polyglyceryl-3 Diisostearate

Emulsifying

Polyglyceryl-3 Diisostearate is an emulsifer and emollient. It comes from Isostearic Acid and Polyglycerin-3.

As an emulsifier, it helps stabilize products by preventing oils and water from separating.

This ingredient may not be Malassezia folliculitis, or fungal acne safe.

Learn more about Polyglyceryl-3 Diisostearate

CI 77120

Cosmetic Colorant

We don't have a description for CI 77120 yet.

Octyldodecyl Stearoyl Stearate

Emollient

Octyldodecyl Stearoyl Stearate is created from stearic acid.

It is an emollient and thickens the lipid (oil) portion of a product. Due to its emollient properties, it may not be fungal-acne safe.

CI 42090

Cosmetic Colorant

Ci 42090 is a synthetic dye created from petroleum. It is used to give a bright blue color to cosmetics, medicine, and food.

CI 19140

Cosmetic Colorant

CI 19140 is also known as Tartrazine. Tartrazine is a synthetic dye used in cosmetics, foods, and medicine to add a yellow color.

Tartrazine is created from petroleum and is water-soluble.

Some people may experience allergies from this dye, especially asthmatics and those with an aspirin intolerance.

Learn more about CI 19140

CI 77891

Cosmetic Colorant

Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.

It's main function is to add a white color to cosmetics. It can also be mixed with other colors to create different shades.

Ci 77891 is commonly found in sunscreens due to its ability to block UV rays.

Learn more about CI 77891

CI 77491

Cosmetic Colorant

Ci 77491 is also hydrated iron III oxide. It's sole purpose is to give a red/pink hue to products.

Iron III oxides are classified as inorganic chemicals for coloring.

Synthetically created Ci 77491 is considered safer than those naturally found. This is because the synthetically created version may contain less impurities. Iron oxides are generally non-toxic and non-allergenic.

Learn more about CI 77491

CI 15850

Cosmetic Colorant

Ci 15850 is the pigment color red. It is an azo dye and created synthetically.

Azo dyes need to be thoroughly purified before use. This allows them to be more stable and longer-lasting.

This ingredient is common in foundations, lipsticks, and blushes. This color is described as brown/orangey red.

It has many secondary names such as Red 6 and Red 7. According to a manufacturer, Red 6 usually contains aluminum.

Learn more about CI 15850

CI 77499

Cosmetic Colorant

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.

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Where it's from

Byredo is a Swedish brand

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