Composition comprising a diindolylmethane and a retinoid to treat a skin condition

A composition in dosage form for use in treating a skin condition, the composition, comprising:

• (a) a first component comprising a substituted or unsubstituted 3,3′ diindolylmethane compound or a substituted or unsubstituted 2,2′ diindolylmethane compound having a structure of:
• wherein each R is independently selected from selected from hydrogen and C1-C6 hydrocarbon substituents;
• and
• (b) a second component comprising a substituted or unsubstituted retinoid compound selected from a substituted or unsubstituted retinal, a substituted or unsubstituted retinol, a substituted or unsubstituted tretinoin, a substituted or unsubstituted isoretinoin, and a substituted or unsubstituted alitretinoin.