Treato found 16 discussions about Cold Symptoms and Cats Allergy on the web.
Best Answer: When the toilet is flushed, the toilet is robbing pressure from the shower, which is usually close to the toilet. As the COLD water pressure goes down from the toilet flush, the HOT water pressure is higher, therefore the water gets hotter as the COLD pressure goes down.
If you are into taking long, hot showers, your skin is prone to getting dry as the hot water affects the epidermis (top skin layer) which has keratin and a layer of oil which helps retain moisture. The heat of the shower mixed with soap strips this layer and moisture escapes your skin leaving it dry.