WHY PROFESSIONAL TEETH WHITENING BEATS OVER-THE-COUNTER PRODUCTS
If you came of age in the last century, you probably remember Ultra Brite whitening toothpaste and Pearl Drops whitening tooth polish. Ultra Brite became popular in the late 1960s, with heavy marketing promoting how its whitening power “gives your mouth sex appeal.” Also launched in the late 1960s, Pearl Drops gained significant market success in the early 1970s despite being priced up to three times higher than standard toothpaste.