Tartaric Acid: a type of glycolic acid (fruit acid) derived from apples. Use to treat the skin to improve its texture and tone.
Tea Tree Oil: a natural preservative with antiseptic and germicidal properties used in soaps, shampoos, and skin-care products.
Thyme: botanical properties are antiseptic, tonic, antibacterial and deodorizing. Often used in toothpaste, mouthwashes, perfumes and soap.
Titanium Dioxide: a non-chemical, common agent used in sunscreen products that works by physically blocking the sun. It may be used alone or in combination with other agents.
Tocopherol: vitamin E, used as an antioxidant in cosmetics.
Toner: product used after cleansing to help return skin to its natural pH. Removes any remaining trace of dirt or debris.
Tretinoin: a derivative of vitamin A.
Tyrosine: amino acid from proteins that is converted through several metabolic steps to melanin. It is added to tanning accelerator products to supplement the body's normal level of tyrosine at the skin's pigment cell level thereby speeding the tanning process.