1. Copyright © 2002 American Medical Association. All rights reserved.
From: The Teaspoon Rule of Applying Sunscreen
Arch Dermatol. 2002;138(6): doi: /archderm
Figure Legend:
Sun protection factor (SPF) of 3 titanium dioxide sunscreens measured for increasing doses of sunscreen applied in vitro.
Date of download: 11/2/2017
Copyright © 2002 American Medical Association. All rights reserved.

2. Copyright © 2002 American Medical Association. All rights reserved.
From: The Teaspoon Rule of Applying Sunscreen
Arch Dermatol. 2002;138(6): doi: /archderm
Figure Legend:
The amount of sunscreen needed to be applied to each body area to reach approximately 2 mg/cm2 and to achieve the full rated sun protection factor.
Date of download: 11/2/2017
Copyright © 2002 American Medical Association. All rights reserved.