Dermatoporosis is a real disease that affects around 30% of over 60s. It is linked to very pronounced skin aging: skin affected by dermatoporosis is extremely fine, very creased and shows the veins, such is its transparency. This kind of skin gets damaged at any opportunity: the slightest trauma, the smallest impact can lead to red, star-shaped marks or small bruises. This repeated bruising ends up colouring the skin yellowish green, then brown. Here is all you need to know about this skin condition and what you can do to prevent it.