Suggest Treatment For Sagging Skin

Hi my name is vina and 24 yrs old and i was suffering from dry and saggy skin it actually looks like fish scales i found that there is lack of moisture in my skin because when i place my skin in water it looks very normal. i tried lot of moisturizres also but howevr it looks very dry and wrinkled especially in legs and hands. kindly advice me to get rid of it.