When you make your electrolyte drink, make sure that you're using a container that you like to travel with. If you like your container it will increase the chances that you will indulge in your drink concoction more often. The Lip Twister - tart and sweet. 1  1/4 cup of lemon juice. 2  1/4 cup of lime juice.  1 teaspoon of salt.
Other Causes Eye Color Change. If your eyes check out fine, then the cause of the color change is probably due to age. Aging is the most common cause of a change in eye color, gradually, after reaching adolescence. Most will lighten with age, but hazel (light brown or yellowish brown) or blue can darken.
Melanin. At the most basic level, the answer to what causes eye color is the pigment melanin. Because melanin isn't fully present at birth, many babies have blue eyes at birth that will later change to brown or green. Melanin can deposit in either the front or back layer of the iris.ris color can vary widely. Eye color in humans varies from very light to very dark. Eye color should more accurately be called iris color, since the iris, the central part of the eye, contains the different colors.