Oh good, you got some good advice from Peter .... I had written the same but my delightful Windows Vista got shut down to do updates!!!!!! ...before I could "submit" what I`d written.

Rest assured ... you got absolutely nothing to worry about - going VIA Dubai to SA. As Peter said ..... you dont have a customs check.

Anyway ..... Arabic customs are only mainly concerned with Heavy Drugs containing stuff like Morphine/Heroin/Tranquilizers/"uppers and downers"/ etc .... not normal body maintenance stuff.

Have a wonderful time in SA!
Von Voyage.