The Kiehl's Activated Sun Protector Water-Light Lotion SPF 30 is part of the Sunscreen
test program at Consumer Reports. In our lab tests, Sunscreen
models like the Activated Sun Protector Water-Light Lotion SPF 30 are rated on multiple criteria, such as those listed below.
UVA Protection: The level of protection against UVA radiation.
SPF: Level of protection against sunburn producing rays. Score based on the SPF range found in our tests. Approximate ranges for tested SPF: Greater than 40 (Excellent), 30-39 (Very Good), 20-29 (Good), 10-19 (Fair), Less than 10 (Poor)
Variation from SPF: This rating is a measure of how closely a sunscreen's tested UVB (SPF) protection matched the SPF on the label. Approximate ranges for the tested SPF compared to the labeled SPF: 85% or above labeled SPF (Excellent), 70%-84% labeled SPF (Very Good), 60%-69% labeled SPF (Good), 50%-59% labeled SPF (Fair), Below 50% labeled SPF (Poor)