Crest strips

Start by deciding how much whitening care you want and how long you plan to use it. A 20 Strips kit provides 10 full treatments with special strips for the upper and lower teeth. It targets surface stains from coffee, tea, and wine, with enamel protection. A 40 Strips kit provides 20 treatments, making it a more economical choice if you want deeper results in a shorter period. There are also options with 30 Strips that include 20 treatments plus 10 extra strips depending on the type. Choose based on how many days you want to use them and the result you’re aiming for.

Classic Vivid provides 6 levels of whitening over 10 days using an enamel-safe whitening ingredient approved by health authorities, and it’s certified by dental associations. Professional Effects Whitestrips Multicolour focuses on consistent performance with multiple colors, aiming for reliable whitening with a multicolour design. Check the number of strips and treatment duration for each package to choose the approach that best matches your needs and whitening schedule.

Yes. Many products in this category are designed to be enamel-safe and show proven results in healthy-safety studies. Some formulas such as 3D White Strips Classic Vivid are described as Enamel Safe & Effective, and products with Canadian Dental Association certifications increase confidence in safety. Choose a package labeled enamel-safe, and avoid strips that don’t clearly state this so you can protect your enamel during whitening.

Common specifications indicate that some treatments can last up to 10 days for a stronger whitening level, with daily use usually lasting 30–60 minutes depending on the product. There’s also a 20 Strips/10 Treatments option as mentioned in 3D White Strips Classic Vivid, meaning one package may give you several treatment sessions depending on the setup. Plan to follow the company’s recommended schedule for the best results.

For beginners, you can start with 20 Strips packages, which provide 10 treatments and give you a gradual sense of results, with the option to evaluate before moving to a higher kit. If you have a special event or want faster results, choose the 40 Strips kit, which provides 20 treatments and reduces the number of repeat sessions. Choose the approach that gives you confidence and comfort during whitening.