Hair care brand Olaplex's net sales for the quarter ended Sept. 30, 2023 fell 30% year-over-year to $123.6 million.    Specialty retail, previously the brand’s largest channel, saw sales fall 41.8% from the prior year, to $43.2 million. Professional and direct-to-consumer channels were $48.3 million and $32.1 million in the quarter, respectively.    Net income fell 66.5% to $20.4 million and adjusted net income dipped 54.5% to $33.4 million, for the quarter.   “Our t...