A nurse is caring for a school-age child who has lice. The child's guardian prefers the use of a natural remedy to treat the lice. Which of the following treatments should the nurse recommend?

Use a dandruff shampoo followed by drying the child's hair on high heat.

Manually remove the lice eggs with a special comb.

Boil the child's combs, brushes, and hair accessories in water for 10 min.

Apply mayonnaise to the child's head.