Whitening tools cold blue

Instructions for use:
1: Flush before use
2 Check with a mirror and record your stage
3 Evenly apply tooth whitening gel (thickness about 1mm) on the teeth.
4 Remove after 16 minutes. Rinse your teeth with warm water
5: Use comparison teeth again to see how much your teeth have improved.
Precautions:

1. Not suitable for ceramic teeth and dentures.
2. Not suitable for discoloration of teeth caused by lesions or drugs.
3. Not suitable for severe tetracycline teeth and dental caries.
4. Not suitable for defective enamel, dentin and tooth damage.

5. Not suitable for children under 12 and pregnant women.