A pharmaceutical composition for treating skin disorders and / or abnormal cell proliferation disorders, comprising milk fat globule (MGF) of 20 wt% or more and at least one C12 to C20 fatty acid, and not containing zinc oxide.乳脂肪球(MGF)20wt%以上と少なくとも1種のC12~C20脂肪酸とを含み、酸化亜鉛を含まない、皮膚障害および/または細胞異常増殖障害を治療するための医薬組成物。