About 20% of people are NOT ALLERGIC to urushiol


About 80% of the population is SENSITIVE to urushiol


Around 25% of these SENSITIVE people have VERY STRONG responses

I thank you for all these useful informations generously shared with us!


Thanks a lot for these infos. I was looking for some pictures about poison ivy and I found the jackpot with your website. We can learn everything about that plant, even how to fight the plant and how to treat the reactions. Great!!


Leaves of poison ivy, poison oak, poison sumac