Age Reader measures protein glycation in body tissues in 12 seconds. These accumulations are called AGEs. They lead to oxidative stress. It is a basic pathogenetic process, which harms skin so that it loses its elasticity and density, wrinkles appear. Moreover, increased AGEs concentration in the body can provoke the development of chronic diseases: atherosclerosis, hypertension, diabetes mellitus, Alzheimer’s disease, osteoporosis.