Explaining SPFs - Are The Bigger Numbers Really Better?
source: http://www.nytimes.com/2009/05/14/fashion/14SKIN.html
SPF creep has hit the triple digits with Neutrogena's SPF 100+ sunblock, leading some dermatologists to complain that this is merely a numbers game that confuses consumers.
The parade of stratospheric SPFs is "crazy," said Dr. Barbara A. Gilchrest, a dermatology professor at Boston University School of Medicine. "For a normal person who is fair-skinned and concerned about skin damage and photoaging," Dr. Gilchrest said, "it's really in my opinion tremendous overkill."
The parade of stratospheric SPFs is "crazy," said Dr. Barbara A. Gilchrest, a dermatology professor at Boston University School of Medicine. "For a normal person who is fair-skinned and concerned about skin damage and photoaging," Dr. Gilchrest said, "it's really in my opinion tremendous overkill."