Fighting Stubborn Stains: How Crest Whitestrips Perform Tooth discoloration can result from various lifestyle habits, including frequent consumption of coffee, tea, red wine, and tobacco use. Over time, these elements contribute to the formation of deep and persistent stains that standard brushing and over-the-counter toothpaste may not remove. Crest Whitestrips have become a leading choice for at-home whitening, raising questions about their ability to combat set-in stains. The key to evaluating their performance lies in examining the active ingredients, how they interact with enamel, and the type of discoloration being addressed. Read more:-......See More