Our products are mostly herbal whereas tea tree is an oil, but they are 100% COMPATIBLE! Nothing to worry about! Adverse reaction? Truly, how would I or anybody else know? It's your body, Beloved! I say give things a try and get firsthand knowledge. I can't see anything adverse happening. Move forward, Beloved! Think positive too! See your results! See what you desire to see (products working in harmony). Please read "Are Herbs Safe To Take?".