Definition: Antioxidants, like vitamin C, vitamin E and ferulic acid, act as your skin’s first line of defense against free radicals and environmental damage. When combined, these ingredients work together to boost their own activity and productivity. On an ingredient list, you might find them listed as ascorbic acid, tocopherol or ferulic acid.

Manufacturer Origin: Darly, Scotland and China.

Definition: Ceramides are waxy fats that act as building blocks for healthy skin. They act as the mortar, or glue, between skin cells to help maintain and protect healthy skin cell structure. They are ideal for providing all-day moisture and sealing in hydration.

Manufacturer Origin: Origgio (VA), Italy.

Definition: Glycolic acid is an alpha hydroxy acid (AHA) that helps to exfoliate away dead skin cells, revealing a healthier and glowing complexion. For best results without irritation, the ideal concentration of glycolic acid in a formula is about 4%.

Manufacturer Origin: China.