Calendula: An emollient believed to have healing, soothing and antiseptic properties. Used to treat dry skin.

Callus: An excessive build up of the hard tough layers of skin. Can be removed at-home or by an esthetician.

Candela Wax: Binds oils and waxes to give body to a formulation. Often used in lipsticks.

Capillary: The smallest type of blood vessel in the body. Spider veins, for instance, are actually small capillaries commonly found on the face or legs.

Cellulite: Deposits of fat and other material trapped in pockets beneath the skin.

Ceramides: A natural substance within the skin that reduces natural water loss of the skin by forming a protective barrier. Can also be produced synthetically and added to skin care products

Chakras: Energy centers throughout the body responsible for the condition of your mind, body and spirit.

Chamomile: A clinically proven plant-derived anti-inflammatory. Offers benefits such as soothing skin. Also calms eczema and allergic reactions.

Citric Acid: The same as vitamin C. Used commonly in hair and skincare products. Has astringent and antioxidant properties and also can be used as a preservative.

Citronella Oil: Antiseptic widely used in soaps and deodorizers. Also has insect-repelling properties.

Clarifying: Usually associated with a toner or other solution used after cleansing to maintain proper skin pH.

Collagen: A natural substance within body tissues. It can be injected into the skin to plump up particular areas.

Cortex: The middle layer of the hair shaft.

Creatine: A protein derivative in muscle tissue. Sometimes found in body-building supplements.

Cucumber Juice: It has moisture-binding, soothing and tightening properties.