Sunscreen Application to the Face Persists Beyond 2  Hours in Indoor Workers: An Open Label Trial.

Conclusion: For indoor workers who applied adequate amount of sunscreen once in the morning, reapplication of sunscreen may be unnecessary.
PMID: 30273065 [PubMed - as supplied by publisher]

Source: Journal of Dermatological Treatment - October 3, 2018 Category: Dermatology Tags: J Dermatolog Treat Source Type: research