There are innumerable products that are available nowadays in the market. But ever since my baby has born I use homemade body soap and shampoo for her. You can check the link below, may be of help.
http://talkitover.in/parenting/mind-the-gap-what-is-the-ideal-age-difference-between-children
http://www.kitchenstewardship.com/2011/10/19/how-to-make-your-own-homemade-safe-baby-body-wash/
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