DNA. complementary DNA (cDNA), copy DNA DNA transcribed from a specific RNA through the action of the enzyme reverse transcriptase. mitochondrial DNA (mtDNA) the DNA of the mitochondrial chromosome, existing in several thousand copies per cell and inherited exclusively from the mother.
Castor Oil. Castor oil is another good treatment for dry and chapped lips. Simply apply castor oil to your lips several times a day. You can also make a soothing treatment using one teaspoon of castor oil, one teaspoon of glycerin and a few drops of fresh lemon juice.
Blistex lip products definitely soothe super chapped, sore lips. Perhaps this explains why Blistex sells $100 million worth of their medicated lip balm every year! While Blistex offers short-term relief from the pain of chapped lips, it contains ingredients that may carry other health risks.