These bar are all natural with lemon 5x essential oil.  Lemon is one scent that does fade over cure time.  You can smell the lemon, but its very light.  Colorant use is charcoal.  
Olive Oil, *Organic Coconut Oil, Lard, Water, Lye (Not Present after saponification) *Organic Cocoa Butter, *Organic Shea Butter, Castor Oil.  Charcoal. Lemon 5x Essential Oil