^{BEFORE USING THE GUTTERS}

1. _{Pre-care hygiene} Brush your teeth thoroughly and use dental floss and/or interdental brushes. The gel works more effectively on clean, tartar-free teeth.

2. _{Gel application}
- Place a LITTLE drop of gel in each position corresponding to the teeth to be lightened.
- Insert the tray and position it correctly. Remove excess gel with a cotton bud if necessary.

3. _{Wearing time}
- Day 1: wear for 2 hours.
- Day 2: wear for 4 hours.
- From day 3 onwards: wear the mouthpiece ideally at night, if more convenient. Please note, however, that the product is active for a maximum of 4 hours.

  ! _Note One syringe allows 3 applications (3 days of treatment).

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^{AFTER REMOVING THE EAVESTROUGHS}

1. _{Hygiene after use} Remove the mouthpiece and brush your teeth. Don't worry if white spots appear, they'll disappear as the treatment progresses.

2. _{Gutter care} Gutter care: Rinse the gutter with cold water, dry it and store it in an airy place.

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^{TIPS FOR OPTIMIZING TREATMENT}

- _{Avoid coloring foods and drinks} During treatment, limit consumption of tea, coffee, nicotine, red wine, red fruit, curry, beet, soy sauce, coloured drinks... If you can't avoid certain foods, eat them at least 1 hour after removing the tray, or use a straw for drinks and brush your teeth 30min afterwards.

- _{Tooth sensitivity} In case of sensitivity, take an overnight break. Use a toothpaste for sensitive teeth (such as Oral-B CALM or Elmex Sensitive) throughout the treatment.

- _{Watch the shade} If the color of your teeth seems too white, stop treatment and consult your practitioner.

- _{Dental care} To maintain your results, make sure you maintain rigorous oral hygiene and consult your dentist at least twice a year. This way, results remain stable for 3 to 5 years, or even longer.

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Please follow these instructions carefully for safe and efficient processing.