If I was to take a cold shower it would be difficult to clean all my parts.Speaking of conservative.lately I've been taking cold showers..my son is a soccer player and he takes ice baths.he said try it and let me know how I feel after I get out ..I said ok .the first time I was like oh fkin cold .but after I dryer up I felt really energetic.alot of study's proove it's bennificial and it's been 4 days now and it works..plus I'm saving on my hot water bill