There loss of skin density is an integral part of natural aging. It manifests itself as a reduction in the thickness, firmness, and elasticity of the skin. This phenomenon is mainly due to:

• Decline in production of  collagen and elastin : These proteins provide the structure and elasticity of the skin. Their reduction leads to sagging skin and a loss of volume.
• Atrophy of subcutaneous adipose tissue : This thins the skin and makes it less plump.
• Slowing down of cell renewal : With age, the skin regenerates more slowly, which contributes to skin thinning.