Can I wear the Gentle Routine or Stain Shield Whitestrips for longer than 5 minutes to get better whitening results?
Related Questions
- Is it okay to use 3D White Whitestrips kits back to back? Or to use an intensive kit and then Stain Shield right after?
- If the crazy lenses last for 90 days can i keep them for longer (say 100 days) if i only wear them 90 times?
- Can I wear the strips longer than 30 minutes to get better whitening results?