The gold ratio actually refers to the ratio of hte larger part to the whole part,which is equal to the ratio of the smaller part to the larger part.which is about 0.168.It can also be said to be 1:1.618,which is recognized as the most attractive ratio in the world.it is called the gold ratio.please kindly check the portrait of the Mona Lisa below which apply the perfect gold ratio.
Based on the theory above,the gold ratio caliper for the brow comes out.which will help our PMU artist to give our clients the perfect brow shape.