The back of the hand will soon turn white and wrinkle after soaking in water, and a layer of skin can be easily scraped off by scraping the fingers. When the hand is dry, it will recover. This has been the case for a long time. I can't remember the details. In the past, when I was young, I was soaked in water for more than half an hour before I turned white and wrinkled.
Considering the analysis of your symptoms, it should be possible that it is caused by the lack of skin moisture. For this situation, you must pay attention to your drinking water volume at ordinary times, ensure 1500 ~ 2000 ml a day, and eat more foods rich in vitamins and proteins.
If so, it's best to wear rubber gloves when washing clothes, and don't touch alkaline washing powder in your hands, so as not to stimulate the skin and aggravate the symptoms. Eat more fresh vegetables and fruits, pay attention to supplement high-quality protein, and consider that it may be caused by lack of vitamins or some trace elements.
It is normal to soak the back of your hand in water for one minute and finally turn white and wrinkled. At this time, as long as it is normal for conditioning, he has no problem. That is to say, don't soak it with excessive water at this time. He generally doesn't belong to a special performance.