Sagging Skin Home A-Z Health Information Health Library A-Z Sagging Skin Overview Sagging skin occurs when the skin loses its firmness and elasticity, leading to a drooping appearance. Types Mild skin sagging: It is marked by slight loss of firmness.Severe skin sagging: It is marked by significant sagging and drooping. Symptoms Loose, droopy skin, particularly on the face, neck, and arms. Causes Aging, weight loss, sun damage, loss of collagen and elastin, among others. Diagnosis Physical examination by a dermatologist. Treatment Threads (PDO threads)Morpheus8FillersRadiofrequency therapy, depending on the severity of condition