Buy Leather Milk recipes No.1, No.2 and No. 3 for the ultimate leather cleaning, leather conditioning and leather protection solution! Straight Cleaner is perfect for those times you want to give your leather a more thorough cleaning. Follow up with either Leather Care Liniment or Water Protectant to replenish the leather’s natural oils. For regular leather conditioning, use either Leather Care Liniment or Water Protectant.