Can you *enlighten us with your history, medically, diet, age, sex? Antibiotic use? What do you eat regularly? Caffeine much?
Have you tried Elimination Diets ? Point is to stop eating certain foods like wheat, dairy, or nut groups for a month to see if symptoms improve.
Is your spine in good shape? All channels clear between brain and organs?
It sounds like your skin is not being replaced with quality cells. Are you getting enough omega-3s?
Some causes of stretch marks are:
Corticosteroid creams, lotions and pills, and chronic use of oral or systemic steroids can cause stretch marks.
Cushing's syndrome and adrenal gland diseases can cause widespread stretch marks, as can Marfan syndrome, Ehlers-Danlos syndrome and other hereditary (genetic) disorders.