Mothers Car Seat Leather Conditioner 355 MLMothers Leather Conditioner will preserve your smooth leather. Youve cleaned it, rubbed out coffee stains, food spills and the dirt on the side bolsters, and you dont want to leave that freshly cleansed skin open to new indiscretion. Leather Conditioner is formulated with lanolin and neatsfoot oil to preserve the natural oils lost with age. It leaves a protective barrier that helps seal out the detrimental effects of the sun, time and daily abuse.