Ring around the collar is a common laundry problem that can be frustrating to remove. It is caused by a buildup of dirt, sweat, and body oils on the collar of a shirt or blouse. This buildup can create a dark, discolored ring around the neckline. Removing ring around the collar can be a challenge, but it is possible with the right techniques.
There are a number of different ways to remove ring around the collar. One common method is to use a commercial laundry detergent that contains enzymes. These enzymes help to break down the dirt and oils that cause the ring. Another method is to use a homemade solution of vinegar and water. The vinegar helps to dissolve the dirt and oils, while the water helps to rinse them away.