What is mosturising?

Mosturising, No idea.

But moisturising is:http://www.thefreedictionary.com/moisturizing

Cleansing and moisturizing are the key components to maintaining healthy, youthful skin. Cleansing removes dirt, grime, and dead skin cells. Moisturizing not only increase the skin's water content, but they also protect the skin and encourage an orderly desquamation (shedding) process that makes the skin appear more smooth.