Category Archives: PHI (golden ratio)

PHI: Controversy vs. Reality in Facial Aesthetics

In an earlier post on this website, it was shown that PHI (aka the golden ratio) is a useful tool to guide treatment decisions in facial aesthetics. In fact, we at Aesthetic Dermatology and Skin Cancer: Jeffrey H. Binstock, M.D., believe in global facial rejuvenation based on PHI. It’s time to place PHI into perspective. As the […]

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Is Your Face Perfect?

Of course, not. Nobody is perfect. So, what guides do aesthetic dermatologists use in making recommendations for your facial rejuvenation? The Golden Ratio One tool is called PHI, divine proportion, the golden ratio, and even the Fibonacci Number. It’s based on work done by the 12th century Italian mathematician, Leonardo Fibonacci. Fibonacci’s golden ratio is […]

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