I have also seen small tubes of PJ based lotion and lip ointment that would be at least as small as this without the hassle.  And as some have stated, a small tube of neosporin or triple AB would work.  Granted, your option is certainly the cheaper one.  <img src="/images/graemlins/smile.gif" alt="" />  
Washing up liquid...  Ah, how I miss my friends in Sydney....   
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Experience is a hard teacher because she gives the test first, the lesson afterwards.