I found a really good korean cosmetic brand on Qoo10, i fall in love with it after tried one time. The products can be used for 6-8 hours and perfect for slimming while sleeping/napping, I love how cooling and comfortable the hyrdogel is (It's not a sheet mask!!).
Let's get one on Qoo10: http://www.qoo10.sg/shop/wooshinlabottach_US_sg
Let's get one on Qoo10: http://www.qoo10.sg/shop/wooshinlabottach_US_sg