most barbers charge adult for $9, unless you know him well..
theres one for $4 by some indian barber in some back alley in Tanjong Pagar. A dying trade.
and.. regarding layered cut.. got from website:
Layer Cut.
A popular haircut which is performed entirely with shears. Hair is cut in uniform "layers" all over the head. The cut can be as long or short as desired and can be a very versatile cut.

that time i go penang cut hair the woman didnt use sissors or razor much.. used "shears" i believed..
http://haircutsformen.org/buzz/pages/tipsgreatcuts.htm