Neutrogena Hydro Boost Water Gel - US Versus COSRX Oil Free Ultra Moisturizing Lotion with Birch Sap

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Serine is an amino acid naturally found in our body. Our bodies use amino acids to create protein.

Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.

Alanine is an amino acid and is already found in the human body.

Threonine is an amino-acid. It helps hydrate the skin and has antioxidant benefits.

Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.

Proline is an amino-acid. It helps moisturize the skin and plays an important role in creating proteins.

Lysine HCl is an alpha amino acid salt.

Glutamic Acid is an amino acid that is found in all living organisms. Our bodies use this to help nerve cells in the brain communicate with other cells.

Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.

PCA is derived from amino acids and is naturally found in our skin's barrier.

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

Urea is also called carbamide and is the diamide of carbonic acid. In cosmetics, urea is used to hydrate the skin. It also provides exfoliation in higher concentrations.

Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.

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

Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.

Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.

Fructose is fruit/plant sugar. It can be found in apples, figs, and honey.

We don't have a description for Maltose.

Trehalose is a disaccharide made of two glucose molecules (glucose is sugar!). Trehalose is used to help moisturize skin. It also has antioxidant properties.

Glucose is a simple sugar and is the most important source of energy in all organisms. In skincare, glucose is used to hydrate the skin. It also acts as a prebiotic for our natural biome.

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

Synthetic beeswax is created to be identical in structure to beeswax. It possesses the same occlusive and emulsion properties.

Polyacrylate Crosspolymer-6 is a texture enhancer and pH adjuster.

Dimethicone Crosspolymer is a silicone created by modifying dimethicone with hydrocarbon side chains. Due to its large size, it does not penetrate skin. It is considered non-occlusive.

Dimethiconol is a silicone that resembles the popular dimethicone. Like other silicones, it is an emollient. Emollients create a thin film on skin to prevent moisture from escaping.

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

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

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.