Derma roller‎,‎ a medical device that stimulate the production of collagen and elastin in the skin‎,‎ and the importance of collagen because it is the main component Or the essential protein of the skin tissue and elastin‎,‎ which works to regenerate the cells again‎,‎ which has been enlarged due to obesity or pregnancy‎,‎ and derma Roller easily and cheaply used and is one of the most important treatments for the freshness of the skin and treatment‎.‎It is a hand that ends with a needle with a minute of different sizes‎,‎ choose what suits the area you deal with your body and the number of times the previous derma use and the type and condition of the skin‎,‎ act to stimulate the collagen and seek your youth