Sonus Leather Cleaner gently and safely cleans fine automotive leather interiors. For lasting beauty and maximum life, your leather interior should be fully cleaned and treated at least four times a year. Sonus Leather & Vinyl Cleaner is a pH balanced cleaner that’s safe and effective for most pigmented and aniline leather and imitation leather finishes. Our effective water-based formula gently cleans without drying fine leather and vinyl upholstery.