Photoaging Skin Therapy with PRP and ADSC: A Comparative Study

Figure 2

Definition of zones 1 and 2 of the dermis (40x magnification). Zone 1 is defined as an area delimited between the dermoepidermal junction (DEJ) and the presence of elastic material deposited in the deep dermis. Another band (zone 2) has been established which comprises the limits of the elastic material deposited more deeply in the dermis.