So, a lot of great answers. And I didn’t think I saw it in any of the comments. Contrary to what you would see in tv and movies, tough characters cleaning wounds with alcohol… It’s better to clean wounds with soap and water. Alcohol, and hydrogen peroxide as that’s used a lot, can actually further damage the already damaged cells. If for some chance you don’t have access to clean water, it’s best to just let the blood flush out the wound. Alcohol and hydrogen peroxide do make great surface cleaners, though!