Answers
Waxing - 2
Lesser chance of scarring!
I've only ever waxed my eyebrows, shaving them is just a pain, and i've never heard of 'threading'!
Shaving - 2
Cheaper
it is very easy and my wife's age 56
Threading - 2
hygenic, quick and clean, no chemicals or heat required
It helps you to get rid of hair atleast for a week as compared to razors and it dont have any harm to skin as compared to waxes.
And it also atopw the groth of your hair towards thickness.