1. Crest 3D White Whitestrips Advanced Seal Professional Effects

Crest 3D White Whitestrips With Advanced Seal Professional Effects is upgrade from the old version Crest Whitestrips Pro Effects. It is the best whitening effect on the market currently, it should well be worth it. The strips is formulated with the same enamel-safe ingredient dentists use. Apply once a day for 30 minutes, you'll start seeing a whiter smile after 3 days, with full results in 20 days. Whitening results that lasts up to 12 months.

Crest 3D White Whitestrips Advanced Seal Professional Effects

However, it really hurts the teeth. It is so sensitive and that sensitivity lasted several hours after you had already removed the strips. So people who has the teeth sensitive must be used with caution.

Featuring Advanced Seal Technology, these no-slip Whitestrips allow you to talk, drink water and go about your day while you whiten with no sticky mess. It has much improved than the old Crest Whitestrips.

    Disadvantages

  • Expensive
  • Tooth sensitivity
  • Left bad taste in mouth

    Advantages

  • Easy to apply and peel off
  • Not slipping off
  • Did whiten a bit