Knowing how to whiten your teeth at home can be the secret to looking younger and feeling more confident. A bright, shining smile can last for years.

“The third third of your face is the most powerful anti-aging tool,” says Dr. Uchena Okoye, Clinical Director at London Smiling Dentist Group. “We invest in cleansers, the best eye creams, moisturizers for our skin, but we do not always take good care of our smile.”