“…Of MSM who douche, 79 to 93% report using non-commercial/homemade substances and solutions. (2, 9, 13) Among them, water is by far most commonly used (64 to 82% of douchers who use non-commercial products), (2, 3, 9, 14) followed by water and soap (11 to 29.6%), (2, 9, 13) and water and salt (4.7 to 10.6%) (2, 9, 13). Between 11 and 31% of MSM who douche rectally report using commercial products (2, 9, 13), with saline-based solutions being the most common (56 to 100% of rectal douchers who use commercial products).…”