I've got freckles and I'm a closet ginger I go a lovely colour from mt2 I take 100mcg per day from April prior to summer holidays in June and follow it through till around August you only need an hour a day in the sun that's the beauty if mt2 and you will tan lovely just don't hammer the dose
As far as safety. Everytime ive read published "government warnings on viral tanning injections". The article referenced cases that when ive delved into were kidney failure from someone doing 20mg in one go monthly etc