His last day at the company is July 31.
THG said the acquisition will support its international growth plans.
Made by women for women, the latest crop of feminine care products moves beyond washes to lubricants, vibrators and rose water mists.
The brand is planning continued product launches and geographic expansion.
The luxury retailer will roll out the Australian supplement line into its eight stores in Hong Kong and China and lanecrawford.com.
More than 500 people stopped by brands including MAC, Sephora, Aveda, L’Occitane en Provence and Diptyque at a New York City pop-up.
Jenner launched her nearly billion-dollar business with a line of lip kits months after revealing she had gotten lip fillers, but she now says that she has had them removed.