Neutrogena is finally apologizing to Hayden Panettiere — days after her tragic death — for axing her contract in 2015 while she was in the throes of postpartum depression. In a statement posted to its official Instagram page, the beauty brand said it “understand[s] that [it] made her feel unsupported during a very difficult time.” “This is not what Neutrogena stands for or who we want to be,” the company added. Elsewhere in the statement, the company said its “deeply saddened” by the “Heroes” actress’ death. “For more than a decade, Hayden was a valued member of our Neutrogena community,” the statement continued, with Neutrogena noting…