It's ok using them once in a while, no everyday.
I really don't think they look natural, especially in the sunlight.
It really depends on the areas where u are going to put them, and how long during the day.
I really do think you don't have to worry about not taking finasteride. As a matter of fact, given your age and hair loss pattern, you would be pretty satisfied.
Of course, it's such fundamental choosing a good Clinic.