Neutrogena Hydro Boost Water Cream Fragrance Free Versus Neutrogena Hydro Boost+ Glycolic Acid Overnight Peel Fragrance Free

C10-30 Cholesterol/Lanosterol Esters isn't fungal acne safe.

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

Cetearyl Olivate is an emulsifier and texture enhancer. It is derived from the fatty acids of olive oil and Cetearyl alcohol, and is biodegradable.

Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.

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

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.

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

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

Glucose is a simple sugar and is the most important source of energy in all organisms.

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.

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

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

Isopropyl Palmitate is a texture enhancer and emollient. It is an ester of isopropyl alcohol and palmitic acid.

Lysine HCl is an alpha amino acid salt.

We don't have a description for Maltose.

Palmitic Acid is a fatty acid found in our skin. In cosmetics, it is usually derived from palm oil. It is a cleanser, emollient, and emulsifier.

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

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.

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

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

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

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

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.

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

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

Sorbitan Olivate is created from the fatty acids in olive oil and sorbitol.

Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.

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

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.

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.

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.

Ceramide NP is a type of ceramide.

We don't have a description for Tropolone.

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

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