The Treatment: Taking a long, luxurious steam in a sauna followed by a refreshing dunk in cold water.
Why He'll Love It: This is the polar plunge of beauty treatments. It might ultimately be rejuvenating, spiritually awakening, and good for his skin, but in the moment it feels like a manly challenge that he'll want to conquer.
How To Get Him To Try It: Reverse psychology, obviously. Mention the treatment in passing and jokingly ask if he could handle it. Before you know it, he'll be booking his appointment to prove it.
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