I was having an increasing problem with boils in my groin and was diagnosed with HS. I have now had it under control for years. I can't remember the last time I got a boil. Here's what I did:
1. Use Lever 2000 Original Soap. It has to be the Original. It's white colored. I don't know what it is about this soap but anytime I stopped using it, I would get a boil. I suspect that it's easy on the skin while being hard on the bacteria. Order it on-line if you have to. When I see it in a store, I buy them all up.
2. Smother the general area with sanitizer every morning after showering. I used the Germ-X with aloe vera.
3. For years almost every day of my life, I wore Under Armour compression shorts long enough to cover the problem area. Heat Wear. They have a high performance fabric that kept the area, as dry and cool as possible. They aren't cheap, but they last for a long time. Some of my shorts are probably 5 years or more old.
These are the big 3, I think mattered, but also:
4. I believe weight is connected--if you search Google Images you will see that most people who have this are overweight. However, I have gained my weight back and the boils have not returned...yet.
5. I don't know how much this helped, but I've had laser hair removal in the area. Some articles say this condition originates in the hair follicles.
-One thing is certain, the boils seem to perpetuate themselves so you have to be consistent.
-Finally, when I did get a boil, I didn't play with it. The only thing that worked after years of experimenting, was a warm compress, several times a day until it was gone. I would put a damp wash cloth in the microwave for 30 seconds, then after it cooled do it again. I would do that 2-3 times a day until the boil is gone. You will notice the shrinkage of the boil after giving it a good soak like this. If I slacked off before the battle was over, the boil would grow again. I believe the warm water pulls the boil's fluid through the skin and out of the body.
-This method is also the best way to minimize the scarring, because you are shrinking the boil slowly, and treating the skin nicely.