Grape Seed Extract- Grape seed extract has been shown to help diminish free-radical damage.
Grape Seed Oil- Emollient, non-fragrant plant oil that also has excellent antioxidant properties.
Grapefruit Oil- Citrus oil whose volatile components (chiefly substances known as furocoumarins) are sensitizing.
Grapefruit Peel Extract- Typically listed as citrus grandis (grapefruit) peel extract on the ingredient list.
Grapefruit Seed Extract- Labelled as Citrus paradisi (grapefruit) seed extract, this is often claimed as a natural preservative.
Green Tea – A powerful antioxidant.
Guar Gum- Plant-derived thickening agent.
Guarana- Herb that contains two and a half times more caffeine than coffee.
Gums- Substances that have water-binding properties, but that are used primarily as thickening agents in cosmetics.