May one smear oil on chapped hands on Shabbos?

 

No.

However you may apply olive oil on healthy skin near the infected area letting it flow on the infected area.

 

ראה שוע”ר שכז, א. ובקצוה”ש קלו, יג ובהערה כ שם. ובשוע”ר שכח, כח.

 

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