With 456 million monthly active users, the Xiamen-based company targets teenagers and young adults, primarily female, who use the beautifying app to retouch selfie photos for everything from posts on social media to job applications.
The app enables users to smooth and change the colour of their complexions, widen their eyes and slim themselves down.
Its flotation is seen as a barometer for interest among Hong Kong investors in new tech companies from the mainland.
The Hang Seng Index shed 1.69 percent by the break on Thursday. Meitu's shares stood at HK$8.50 at noon local time after opening at $HK8.78, and dipping as low as HK$8.33 during morning trading.
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"For a lot of institutional investors, I think they want to follow this stock because it is one-of-a-kind in the market," said Hong Kong-based analyst Jackson Wong.
"(But) the profitability of the stock is not foreseeable right now," he said.
Meitu is hoping to take advantage of the recently launched Hong Kong-Shenzhen link that improves access to stocks for mainland investors, and allows foreigners to buy shares in more than 800 Chinese firms for the first time.
But Dickie Wong, executive director of research at Kingston Securities Limited said Wednesday's Fed hike had put extra pressure on Meitu stocks, which were already priced at the bottom of their marketed range.