Regarding moles , you can opt for laser treatment for removal. If proper care s taken, it won't leave marks or scars. Also, a lot depend upon skin type and types of moles. Better to consult a dermatologist in person .
Secondly, strict sun protection a advisable , so that these moves don't increase in size and number . Apply sunscreen regularly over exposed areas.
For, thinning of hair...it's important to find the reason behind thinning like nutrition lack, any disorder like
thyroid, hormonal issue etc. Consult dermatologist in person n get recquired blood test done to find the reason . You can opt for treatment option like tablets, hair regrowth lotion, treatment session like mesotherapy and PRP THERApy... choice of treatment modality depends upon your hair loss, hair type etc