341 character is suitable for therapy, provided it is well tolerated. Through emulsifiers, we can largely alter its properties and bring them significantly closer to those of skin fat. The issue becomes a physical-colloid-chemical one. Regarding the removal of ointment residues, the pharmacist has many ointment remnants that can no longer be reused. Since these are mostly vaseline-wool fat preparations, it is advisable to melt them together and initially separate them from solid parts. Then, they are cleaned alternately with acid and alkali, followed by water and activated charcoal, and the end product is used as raw vaseline for greasing metals. Glyceride fats are first filtered, then split, and extracted multiple times with water. The free fatty acids can then be processed into soaps, possibly after further purification.