hot or cold shower?

【熱いシャワーと冷たいシャワー、浴びるならどっち?】EN follows



  • 筋肉の緊張を緩め、血流を良くする:特に水圧が強いシャワーヘッドだったら、肩や首、背中に当ててマッサージ効果抜群。
  • 癒しホルモン(オキシトシン)の分泌を高め、不安を解消する研究によって明らかになっている。
  • 自然の鼻炎薬としての効果により、風邪症状を改善する:熱い蒸気が鼻腔を保湿し、鼻の通りが良くなる。
  • 加齢臭を抑える:朝出かけ前に熱いシャワーを浴びた人とそうでないほととでは臭いの強さが違うという情報も。


  • 疲れを解消し、集中力を高める研究によると、熱いシャワーを浴びた後に冷たいシャワーを浴びるという温度変化が、身体を覚醒させるいい「ショック」になるという。
  • 鬱病を治す:1日1−2回、冷たいシャワーを浴びるということが効くという研究があるが、試す目には医者に相談を!
  • 乾燥を撃退する:熱いシャワーは肌や髪の水分を飛ばし、乾燥させやすい。特に顔を洗う際には肌に優しい低めの温度にしたい。

It is getting warm, you may already have got some sun tan, and may feel refreshed getting under a cooler shower these days. I checked how the shower temperature could affect our bodies. I always believed that body should be kept warm to be healthy, and one should always shower in hot water. But that was not the case:

Hot Showers can…

  • relieve tension and soothe stiff muscles. If you have a powerful showerhead, let the hot water work like a mini-massage on your shoulders, neck, and back.
  • amp up your oxytocin levels and ease anxiety. Studies proved that hot shower can de-stress.
  • act as a natural decongestant to relieve cold symptoms, since the hot steam moisturizes nasal passages. Under the weather and running a slight fever? Just go under a hot shower.
  • can prevent the distinctive body odor of the middle-aged and elderly (caused by the chemical) when taking a brief one in the morning.

Cooler Showers can…

  • relieve your body of fatigue and increases your mental alertness. Studies have shown that turning the water cold for the last 5 mins and giving a instant change in temperature can help to “shock” your body awake.
  • be a treatment for depression. A cooler shower for two to three minutes once or twice daily is recommended by researchers. *Just make sure you check in with your doctor before testing this out!
  • can hydrate and help with split ends and dry skin. Hot shower can dry things out, so cold showers are better for our hair and skin.

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