A shorter treatment duration (<15 minutes for Paranix Spray (or Lotion) & Paranix Shampoo, < 8 hours for Paranix For Long Hair) is not recommended. For the product to work, please follow the treatment times as directed.
A longer treatment duration (>15 minutes for Paranix Spray (or Lotion) & Paranix Shampoo, > 8 hours for Paranix For Long Hair) will not have any adverse effects, but is not necessary to guarantee a successful treatment. Paranix treatment solutions do not contain chemical substances and so are not harmful.