The single most important improvement in insect repellents since the discovery of DEET. It will change the way you use insect repellents. 
- Dr. William Forgey, "Father of Wilderness Medicine"

The introduction of Controlled Release technology marks the most significant improvement in Insect Repellents since the advent of DEET. Sawyer® Premium Controlled Release 20% DEET Insect Repellent Lotion is a LOW DEET ABSORPTION FORMULA the DEET is micro-encapsulated in the formula to last longer. It is Non-greasy, has no alcohol, and is odorless. One application of Controlled Release formula can be effective for up to 11 hours against mosquitoes (including the transmitter of West Nile Virus ) and 17 hours against ticks.