i have heard reliable people say that fresh can be tinctured. however, when it comes to protection from UV, cobalt is useless. amber isnt as pretty, but it is effective.
we have a master herbalist trained at dr christophers school of natural healing right here on curezone and active daily. has anyone asked barefoot? i would go to my christopher book for a definitive answer, if i could find it easily. i gotta get that thing out of storage and back on my shelf.