Adult: As 25% emulsion: Apply to the entire skin surface (excluding the face and neck), allow to dry, and re-apply after 24 hours without bathing. Wash off after 24 hours. A 2nd application within 5 days may be necessary. Alternatively, 3 applications 12 hourly may be made, followed by bathing 12 hours after the last application. As 25% lotion: Apply a sufficient amount with a brush to cover the whole body (excluding the face and head). Allow to dry, then wash off after 24 hours with warm water and soap. May repeat treatment after 5 days, if necessary. Dosage recommendations and available products may vary between countries (refer to specific product guidelines).
Child: As 25% lotion: 2-12 years Dilute with equal parts of water before application. Apply a sufficient amount with a brush to cover the whole body (excluding the face and head). Allow to dry, then wash off after 24 hours with warm water and soap. May repeat treatment after 5 days, if necessary; >12 years Same as adult dose. Dosage recommendations and available products may vary between countries (refer to specific product guidelines).

Adult: As 25% lotion: Apply a sufficient amount to thoroughly wet the hair and scalp. Wash off after 24 hours with shampoo and warm water. Use a fine-toothed comb to remove remaining nits from the hair. May repeat treatment after 7 days, if necessary. Dosage recommendations and available products may vary between countries (refer to specific product guidelines).
Child: As 25% lotion: 2-12 years Dilute with equal parts of water before application. Apply a sufficient amount to thoroughly wet the hair and scalp. Wash off after 24 hours with shampoo and warm water. Use a fine-toothed comb to remove remaining nits from the hair. May repeat treatment after 7 days, if necessary; >12 years Same as adult dose. Dosage recommendations and available products may vary between countries (refer to specific product guidelines).