The90 Gem wants to do for sun exposure what smartwatches did for the 10,000-step obsessed: turn an everyday habit into data you can actually see—and maybe nerd out over.
Marisa Petrarca is a Contributing News Editor at various prominent publications. She specializes in the beauty and fashion industries, covering topics such as makeup, skincare, hair care, and wellness programs, while also delving into consumer health and health news. Marisa's work has been featured in outlets including Yahoo Sports Canada, Cosmopolitan, InStyle, and Marie Claire.

















