Tick Repellent for Clothing - Permethrin:

• Permethrin-containing products (eg, Duranon, Permanone, and Congo Creek Tick Spray) are highly effective tick repellents.
• An advantage over using DEET is that they are applied to and left on clothing instead of skin. Apply it to clothes, especially pants cuffs, socks and shoes. You can also put it on other outdoor items (mosquito screen, sleeping bags).
• Do not apply Permethrin to skin (Reason: it's rapidly degraded on contact with skin.

And remember, contact your doctor if your child develops any of the "Call Your Doctor" symptoms.