Bitterness lines (marionette lines)

Understanding bitter folds: anatomy of the DAO muscle and causes of slackening

Bitter folds are closely linked to the functioning of the DAO (Depressor Anguli Oris) muscle, which is responsible for lowering the corners of the mouth. When this muscle is hyperactive, it continuously pulls the corners of the mouth downwards, contributing to a lowered mouth and an expression that is perceived as sad or severe.

Over time, repeated contractions of the DAO muscle, combined with sagging skin in the nasolabial folds, promote the appearance of more pronounced marionette lines. Natural aging also leads to a decrease in collagen, elastin, and subcutaneous fatty tissue, reducing the structural support of the lower face. Added to this are structural changes in the lower face related to aging, contributing to tissue sagging.

Unlike nasolabial folds, marionette lines are more influenced by hyperactivity of the lower lip muscle and loss of vertical support. This distinction is essential for choosing an appropriate treatment approach.

Certain environmental factors accelerate their formation, including excessive sun exposure, smoking, dehydration, stress, and lack of sleep. These elements weaken the skin and accentuate the bitter folds associated with aging.

Although these wrinkles are more commonly seen with advancing age, their appearance can vary depending on the individual and risk factors. Their impact is often psychological, as a naturally lowered smile can give a permanent impression of tiredness or discontent.

Enjoy the Benefits of Our Bitter Folds Treatments

Our treatments for marionette lines offer numerous advantages: they are non-invasive and produce natural results. By filling in marionette lines, we subtly redefine the contours of the face, softening the expression and creating a rejuvenated and harmonious appearance. These targeted treatments improve skin texture while preserving a natural appearance, without pain or recovery time. Thanks to the expertise of our professionals at Clinique Main d'Or, each treatment is tailored to the specific needs of each patient for effective and long-lasting results.