I'm currently using Aveeno baby wash &shampoo. It's a 2 in 1 soap free cleanser and very mild for babies. I bought mine from Amazon as it was much cheaper (but you will need to consolidate USD125 to get free shipping). Otherwise I'm sure shops like guardian, watsons will stock it :)
http://www.aveeno.com/product/aveeno-+baby+wash+-+shampoo.do
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