How many Crest White Strips before you see results?
How many Crest White Strips before you see results? Ensure that you follow recommended usage instructions on the packaging to get the optimal effect. If your teeth are significantly discolored, you may need to use 2 boxes of Crest 3D White Whitestrips initially to get the desired result. How long does it take for Colgate whitening strips to work? Strips can remove lifestyle stains. These are things like drinking coffee or red wine and smoking. However, they won't remove stains occurring from health issues or reactions to medications. If you use the strips as directed, you should see results in...