Wolfgang Concours Series WG-2600 Leather Care Conditioner, 16 fl. oz. Wolfgang Leather Care Conditioner is a silky, lavish lotion that penetrates and nourishes leather of all ages, even surface- and vat-dyed leather. The lanolin-based cream has an inviting, natural leather aroma Strong UV protection is added to Wolfgang Leather Care Conditioner to prevent sun damage, fading and cracking.