Boswellia, also known as Indian frankincense, is an herbal extract from the Boswellia serrata tree. It’s a strong anti-inflammatory and can treat many ailments.  In the field of oncology, it has proven to be safe and effective in protecting the body from the adverse effects of radiation.
 
References:
Frankincense Extract Prevents Radiation-Induced Skin Damage
 
Clinical Evaluation of Safety and Efficacy of Boswellia-Based Cream for Prevention of Adjuvant Radiotherapy Skin Damage in Mammary Carcinoma: A Randomized Placebo Controlled Trial
 
Boswellia and Brain Tumors