Social & Preventive Medicine A sunscreen ointment has a Sun-Protection-Factor (SPF) of 15.How much of UV radiation it filters out. A 15% B 85% C 93% D 98% 💡 Explanation A sunscreen ointment has a Sun-Protection-Factor (SPF) of 15.How much of UV radiation it filters out. ✓ Correct Answer: C. 93%