Use Arpalit NEO shampoos as needed.

Use Arpalit NEO antiparasitic shampoo as needed, but a thorough rinsing is necessary after each use.

Yes, you can prolong the effect of the antiparasitic shampoo by using Arpalit Neo spray, Arpalit Neo foam or Arpalit Neo spray with a mechanical sprayer. However, be sure to rinse the antiparasitic shampoo thoroughly.