The hormone that keeps skin from sagging is Estrogen.
The hormone Estrogen is the main and primary hormone that keeps your skin, firm, thick and also resistant to sagging.
Estrogen is a hormone that protects your skin in a few different ways which include stimulating collagen and elastin, locking in hydration and maintains your skins thickness.
Estrogen is what signals skin cells (fibroblasts) to produce elastin and collagen, which are the key protein fibers that give your skin it's structural bounce, tightness, and elasticity.
The hormone estrogen also increases natural hyaluronic acid in the dermis, which also helps your skin retain moisture and stay plump.
Estrogen also supports the density and the barrier function of both the epidermis and dermis, which prevents the tissue from thinning out.
When estrogen declines it leads to rapid collagen loss and sagging and wrinkles.
As estrogen levels drop during menopause and perimenopause, your skin can lose up to 30 percent of it's collagen within the first 5 years.
And the loss of structural proteins and moisture also leads to thinner, less resilient skin, which results in sagging, fine lines and deep wrinkles.
There are also other hormones that also influence the firmness of your skin, which include progesterone, testosterone and cortisol.
Cortisol is a stress hormone, which breaks down collagen and elastin when elevated chronically, accelerating skin aging and slackening.
Testosterone helps to regulate oil also known as sebum, production and overall skin density, though declining levels of testosterone can also reduce skin firmness.
And Progesterone supports skin elasticity and circulation, which helps to keep your skin looking vibrant.
You can also tighten saggy skin naturally although tightening skin naturally involves supporting collagen production, building underlying muscle mass, and protecting existing elastin.
Exercise and Strength Training.
Resistance training: Lifting weights 2 to 3 times a week helps build muscle mass beneath the skin, which can fill out loose areas and improve the appearance of sagging, especially after weight loss.
Focus on compound movements like squats, deadlifts, and push-ups.
Facial massage and rolling: Using a jade roller, gua sha tool, or hands with upward strokes can boost local blood circulation and support lymphatic drainage.
Nutrition and Hydration.
Protein and collagen support:
Consume adequate lean protein and consider targeted supplements like hydrolyzed collagen peptides paired with vitamin C, which are necessary for natural collagen synthesis.
Internal hydration:
Drinking plenty of water and getting essential electrolytes helps maintain skin plumpness and cellular resilience.