Most of the RHO gene mutations responsible for retinitis pigmentosa alter the folding or transport of the rhodopsin protein. A few mutations cause rhodopsin to be constitutively activated instead of being activated in response to light.
Mix a few drops of Ravensara oil with tea tree oil. Add ample amount of a base oil, like coconut oil or olive oil. Apply this oil on cold sores, genital herpes and shingles lesions. Regular application 2 times a day provides great relief from the pain.
As a matter of fact, Valerian Essential Oil is often adulterated and cut with Spikenard because therapeutic grade Valerian is fairly expensive oil. Oil of spikenard is in Animal Scents Pet Shampoo that I use for my dog and my horses. It is also in a professionally made blend called Exodus II.