Seen—the start-up hair and scalp care brand developed by Harvard-trained Dermatologist Dr. Iris Rubin—has closed a $9 million Series A funding. The round was fully subscribed, including a uptake from existing and new strategic investors, according to the brand. Participants included Mitch Rales, co-founder of Danaher Corporation; Somerville SPV; Sator Grove Holdings, a permanent capital investor; and George Mrkonic, who sites on the board of directors at Ulta Beauty. The funding will allow Se...