The only Cetaphil products I know of are the gentle cleanser, soap bar for body acne and maybe some cream moisturizer.

All these are easily found in most if not all Guardian outlets though.

If you're looking for Cetaphil Gentle Skin Cleanser, you could try looking in the body care section, they always place it there
There's a promotion now I think, you buy 2 big bottle ones for RM65+ and got free facial tower or something.

Hope it helps