Family-friendly insect repellent formula with 20% DEET; effective against ticks and all mosquitoes (including those that carry West Nile virus) Encapsulates DEET in a protein that dissolves slowly, releasing DEET over a longer period of time -- up to 11 hours Odorless, non-greasy, and perspiration resistant lotion; compatible with use of sunscreens - including Sawyer SPF 30 Stay-Put Sunscreen Combine with Sawyer’s Permethrin Insect Repellent for Clothing, Gear & Tents to create an effective insect barrier. Twin pack of convenient 6-ounce lotion bottles