Undecided Question

What beauty product should i buy if i have the money?

for my birthday,my mom gona give me $200 to buy watever i want
yay
im planning on buying some make up or skincare product
or something nice for my hair because i never buy anyhing from sephora or other department store for those stuff…
i only use stuff like maybelline,neutrogena,ganier,rimmel,pant…
so what should i buy ???
recommend me some good product please
and it can be make up,skin care,hair product,or even clothes,shoes ….

im 16,i have combination and acne prone skin
my hair is naturally straight, dark brown and i curl my hair sometime

thanks :)