Skin has three layers: 1  The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. 2  The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. 3  The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
1 Your guide may recommend the application of butter or ghee to draw out and lengthen your tongue. At this point, your tongue should be long enough to reach the center of your eyebrows.  Even with a guide, Kechari Mudra may take months or years to master.
It is best to keep ice on your tongue as much as possible the first few days. Do not eat spicy food for the first two weeks. You are suppose to keep the longer piercing ring in for 10-14 days time depending on when the swelling goes down. Your tongue will be swollen for a few days to two weeks. If they do not give you a rinse, then you should buy some kind of sea salt solution and rinse with that. You could use Listerine but it is not recommended for the most part not right away. After about two weeks time you can change it to a smaller barbell. I would use a metal bar but acrylic balls. Acrylic balls are less likly to crack your teeth and wear down your enamel. Best way to change your tongue ring is to take the first one out, and replace it with a clean new one.