Skin Care Glossary

We want to help you better understand your skin. Explore our useful glossary to find definitions to common skin care terms.

Ceramides

Ceramides are natural lipids and are a major component in surface skin structure. They serve as part of the "glue" that holds surface skin cells together.

Collagen

A group of naturally occurring proteins, collagen is the main protein of connective tissue.

Elastin

A protein found in skin and tissue, elastin enables some tissues in the body to return to their original shape after contracting or stretching.

Emollients

Substances that soften and soothe the skin, emollients are used to address dryness and scaling of the skin.

Eczema

A term for a group of medical conditions, eczema is a chronic skin disorder that produces scaly and itchy rashes.

Glycerin

Also known as glycerol, glycerin improves smoothness by providing lubrication and as a humectant. Glycerin is found in many other personal care products, including cough syrups and hair care products.

Humectant

A non-oily substance that absorbs moisture from the air, retards evaporation and helps hold water, humectants are used in personal products and food to help retain moisture.

Lipid

Natural fats which play an essential role in maintaining healthy skin hydration and structure, skin lipids include ceramides, cholesterol and fatty acids which contain important nutrients for skin such as vitamin E.

Occlusive

Substances which provide a protective lipid layer to the skin, occlusives help reduce water loss and maintain skin hydration.

Panthenol

A form of Vitamin B5, panthenol is a moisturizing agent which serves to help smooth rough, cracked, and dry skin.

Petrolatum

Also known as soft paraffin, petrolatum is an emollient which helps soften skin and reduce dryness.