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.
A coated or white tongue occurs when the surface is colonised by bacteria or fungi, and dead cells become trapped between the small nodules on the tongue. A coated tongue isn't a disease and isn't usually a sign of anything serious. It's usually only temporary. You can try gently brushing it with a tongue scraper and drinking plenty of water to help it improve. However, sometimes a coated tongue can indicate an infection or more serious condition. You should see your GP for advice if: 1  you're concerned about changes to the appearance of your tongue. 2  your tongue hurts (read about the causes of tongue pain) 3  your coated tongue persists for longer than two weeks.