If you are looking for that "just-from-the-dentist" bright smile without the $400 office bill, are likely at the top of your list. They are designed to remove up to 14–15 years of stains and use the same enamel-safe whitening ingredients that professionals use.
If you want to stock up or share with a partner, bulk retailers offer the lowest price-per-strip.
You can buy from major authorized retailers including Amazon , Walmart , and Costco . For the most direct and guaranteed authentic source, you can purchase them directly from the official Crest website . where to buy crest 3d whitestrips professional effects
But because they are so popular, finding a reliable place to buy them—and getting the best deal—can be tricky. 1. Official Retailers (Best for Authenticity)
: Ideal for quick local pickup or online delivery. They frequently list the 20-treatment kit at competitive prices, often around $44.97 $39.99 . 2. Bulk Buying (Best Value) If you are looking for that "just-from-the-dentist" bright
: Typically sells a "Professional Effects" pack that includes 20 treatments plus 10 bonus brightening treatments , offering more value than standard retail boxes.
: Good for finding deals, but be cautious . Always check the seller’s rating and ensure the product is "New" and not expired. 3. International Options You can buy from major authorized retailers including
: This is the safest bet for quality. They often offer a 60-day money-back guarantee if you aren't satisfied with the results.