If urine accidentally gets into a shampoo bottle while you are showering, it is unlikely to cause a toxic reaction. Urine is a waste product of the body and contains various dissolved substances, such as water, urea, salts, and small amounts of metabolic waste products.
While urine may have an unpleasant odor and can contain some bacteria, it is generally considered sterile when it leaves the body. The concentration of any potentially harmful substances in urine is typically low and not likely to cause significant harm if accidentally mixed with shampoo.
However, it is important to note that hygiene practices should be followed, and if urine does come into contact with personal care products like shampoo, it is advisable to discard the affected product and replace it with a fresh one. This is primarily for hygienic reasons to avoid the risk of bacterial contamination or an unpleasant odor.
If you accidentally mix urine with a shampoo bottle, it is recommended to thoroughly clean the bottle and any other affected surfaces to maintain proper hygiene.