Collagen After 40: How Estrogen Decline Changes Skin, Joints, and Digestion — What Really Happens
How estrogen decline after 40 affects skin sagging, joints, and digestion — and what science says about collagen support.
estrogen decline
Why Does My Facial Skin Feel Like It’s Detaching From the Bone? The Science Behind Facial Sagging
Why facial skin feels loose or collapsing. Understand collagen loss, bone changes, hormones, and what science says about skin structure.