Immediate Answer: Recent laboratory evaluations have confirmed that Pureguard, a natural tick repellent formulated with 30% refined oil of lemon eucalyptus (PMD), provides protection against ticks comparable to traditional DEET-based products. This finding offers a scientifically backed, non-toxic alternative for families and outdoor enthusiasts seeking to avoid harsh chemicals while maintaining high-level defense against tick-borne illnesses like Lyme disease. What Happened: