I hope to merge all the HK related MAC info into one post so it'll be easy to refer to later on. Once I get more release dates, I shall edit this post! Hope you find this useful!

Release Dates:
• Electroflash - 25 Jul
• Sonic Chic - 28 Jul

Out on display now:
• Cool Heat
• Heatherette
• Dazzleglass [at airport]
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MAC Locations:

Lane Crawford
Pacific Place
88 Queensway
Hong Kong Island
+852 2118 3958

Lane Crawford
IFC
Queens Road
Hong Kong Island
+852 2118 7649

Sogo
Causeway Bay
555 Hennessy Road
Hong Kong Island
+852 2591 9833

Duty Free Shop
Galleria Sun Plaza
28 Canton Road
Ground Floor
Kowloon
+(852) 2302-6888

FACES
Tsim Sha Tsui
Ocean Terminal
Kowloon
+852 3101 9036

M·A·C
Elements
Elements
Kowloon
+85 2 2196 8050

Nuance Watson
Hong Kong International Airport
Airside East Hall, Level 6
Kowloon
+(852) 2186-6528

Seibu
Langham Place
8 Arglye St
Kowloon
+852 2269 1816

__________________
-Pollyanna
...is from Hong Kong!
Everything you need to know about MAC in Hong Kong, here!