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At the end of the day, the process is based upon naked-eye observations, which means SPF testing data is super variable, admits Brian Ecclefield, founder and managing director of Validated Claim Support, an FDA-registered clinical testing lab in Teaneck, New Jersey, that has evaluated sunscreens
PMID: 151 AragonaCRussoMMyersSHEspinolaMSBBilottaGUnferV
Crisstomo J, et al
Unexpected color change is typically a sign of contamination (note: GHK-Cu is naturally blue)
Ragheb Assaly: Conceptualization, Project administration, Supervision, Validation, Writing review & editing
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