Kosé Lecheri Wrinkle Repair Night Cream

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

• It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
• It is a humectant, which means that it helps attract moisture into the skin.
• It helps improve product application.
• It has mild preservative properties.

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

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.

Paraffinum Liquidum is also known as liquid paraffin. It is a type of highly refined mineral oil.

Like other oils, Paraffinum Liquidum has emollient properties. Emollients help soothe and soften the skin. By creating a barrier to trap moisture within, emollients help keep your skin hydrated.

Hydrogenated Egg Oil is an oil.

Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.

This ingredient gets a bad rep because it is irritating and drying - mostly due to its astringent property. Astringents draw out natural oils in tissue, constricting pores and leaving your skin dried out.

Butyrospermum Parkii Butter is a plant lipid from the fruit of the Shea Tree. It is an effective skin hydrator and emollient.

Emollients help soothe and soften your skin. It does this by creating a protective film on your skin. This barrier helps trap moisture and keeps your skin hydrated. Emollients may be effective at treating dry or itchy skin.

Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.

Cetearyl alcohol is an emollient. Emollients help soothe and hydrate the skin by trapping moisture.

Propylene Glycol Dicaprate is an emollient and emulsifier. It is created from a mixture of fatty acids.

A type of fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product. They are usually derived from natural fats and oils and therefore do not have the same drying or irritating effect as traditional alcohols.

Emollients help keep your skin soft and hydrated by creating a film that traps moisture in.

Glycol Stearate comes from stearic acid and ethylene glycol.

It is a creamy wax used to stabilize ingredients as an emulsifier. Glycol stearate also contains emollient properties. Emollients sit on top of the skin to prevent moisture from escaping.

Methyl/Phenyl Polysilsesquioxane is a type of silicone.

Polydiethylsiloxane is a type of silicone.

We don't have a description for Hydroxyproline yet.

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.

We don't have a description for Iris Sibirica Root Extract yet.

We don't have a description for Hydrolyzed Sesame Extract yet.

We don't have a description for Sechium Edule Fruit Extract yet.

Glycine Soja Extract comes from the soybean. Glycine Soja is native to eastern Asia.

Soybeans are rich in antioxidants. Antioxidants may improve the signs of aging.

We don't have a description for Calf Blood Extract yet.

We don't have a description for Elastin yet.

Polyglutamic Acid is made up many glutamic acids chained together. It is created from bacterial fermentation.

This ingredient is an effective skin hydrator and may help speed up wound healing. As a humectant, it draws and holds water to the skin. This ingredient is often compared to hyaluronic acid or glycerin. Similarly to hyaluronic acid, it can vary in molecular weights. This means polyglutamic acid is capable of bringing hydration to lower levels of the skin.

Sage extract is a culinary and medicinal herb with antibacterial, antioxidant, and soothing properties.

This ingredient is made up of 75-90% ursolic acid, a potent antioxidant and anti-inflammatory compound.

Collagen is the most abundant type of structural protein found in your body. In your skin, it is responsible for keeping it firm and youthful.

Your body uses collagen for a variety of tasks. These tasks include repairing and maintaning tissues, helping cells communicate, and helping your body’s immune system respond to attacks.

We don't have a description for Hydrolyzed Lupine Protein yet.

We don't have a description for Acrylic Acid yet.

This long ingredient is a copolymer of sodium acrylate and sodium acryloyldimethyl taurate monomers.

It is used to help stabilize other ingredients and create a thicker gel-like texture.

Isohexadecane is added to enhance texture, emulsify, and to help cleanse. It is an isoparrafin. It is a component of petrolatum.

Due to its large size, Isohexadecane is not absorbed by the skin. Instead, it sits on top and acts as an emollient. Emollients help keep your skin soft and smooth by trapping moisture within.

We don't have a description for Isopropanolamine yet.

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.

We don't have a description for Polyvinylalcohol Crosspolymer yet.

We don't have a description for Sorbitan Fatty Acid Ester yet.

Cholesterol is a class of organic molecules called lipids. It helps hydrate your skin and is essential to having a healthy skin barrier.

Our skin naturally contains cholesterol in the outermost layer. Besides cholesterol, it also contains ceramides and fatty acids. Cholesterol makes up about 1/4 of your skin's outer layer and barrier. Your skin barrier is responsible for keeping allergens and microbes out. Having a healthy skin barrier is also responsible for keeping your skin firm and plump.

Dipropylene Glycol is a synthetically created stabilizer and solvent. It is a part of the glycol class in the alcohol family.

Dipropylene Glycol helps dissolve and evenly distribute ingredients. It also helps decrease viscosity and thin out texture.

We don't have a description for Dipentaerythrityl Hexa C5-10 Acid Esters yet.

Hydrogenated Castor Oil Stearate is an oil.

We don't have a description for Polyacrylic Acid yet.

Sorbitan Oleate is created from compounds in oleic acid and sorbitol.

It is used to stabilize a product by preventing ingredients from separating. Emulsifiers help keep ingredients together, such as oils and water.

Sorbitan Palmitate is an emulsifier.

It is created by reacting sorbitol with palmitic acid.

This ingredient is a preservative, antimicrobial, and emulsifier. It is often used in cosmetics for its ability to cleanse, condition, and reduce static.

Cetrimonium chloride is a quaternary ammonium salt, meaning it has a water-soluble structure.

C8-9 Isoparaffin isn't fungal acne safe. It can be bad for oily skin.

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.

We don't have a description for Hydrogenated Sphingolipids yet.

This ingredient is created from dehydrating xylitol in acidic conditions. Xylitol is a famous sugar and humectant.

Much like its predecessor, anhydroxylitol is a humectant. Humectants attract and hold water to moisturize the skin.

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and even out skin tone.

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.

Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.

Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture.

We don't have a description for Caramel yet.