The INKEY List Retinol Serum Versus La Roche-Posay Redermic R Intensive Anti-Aging Treatment

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.

This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.

Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.

Polysorbate 60 is used to help stabilize products. It is a surfactant and emulsifier. These properties help keep ingredients together in a product. Surfactants help reduce surface tension between ingredients with different states, such as liquids and solids. Emulsifiers help prevent oils and waters from separating.

Sorbitan Isostearate is an emulsifer and cleaning agent. It is created from isostearic acid and sorbitol.

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.

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

Phospholipids are naturally found in our skin as they are the main component of cell membranes. Phospholipids have humectant, emollient, antioxidant properties.

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

We don't have a description for Glycolipids.

Glycine Soja Sterols is derived from the soybean plant. Sterols are an organic compound and technically an alcohol.

Retinyl Acetate is a form of retinoid. It can be good for be good for oily skin. It can help to improve skin texture, reduce large pores, reduce the effects of aging, reduce the visibility of dark spots, heal scars, and fight acne. It can be bad for dry skin and cause irritation.

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

Leuconostoc/Radish Root Ferment Filtrate is a natural preservative. It comes from fermenting radish roots with a bacteria called leuconostoc. Leuconostoc comes from lactic acid. This bacteria is used to make the traditional Korean side-dish, kimchi. It is also used to make sourdough bread (both incredibly yummy foods).

Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.

Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.

This ingredient is a retinoid. It usually goes by a more common name: "Granactive".

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

Palmitoyl Tripeptide-1 is a 3-amino acid peptide. Peptides are building blocks for protein.

Palmitoyl Tetrapeptide-7 is a peptide. Peptides are building blocks for protein.

Sodium Lactate is the sodium salt of lactic acid, an AHA. It is a humectant and used to adjust the pH of a product.

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

Tetrasodium Glutamate Diacetate is a chelating agent. Chelating agents help prevent metal ions from binding to other ingredients. This helps prevent unwanted effects and reactions from a product. These metal ions may come from water and are found in miniscule amounts.

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.

Tetrahexyldecyl Ascorbate is a form of Vitamin C.