The ultrasound skin imagery is a non-invasive, quantitative and reproducible technique to measure and to display skin structures such as the epidermis and dermis strates, and collagen.

The Dermascan® C device (Cortex Technology) with its 20-MHz, frequency, allows determining and displaying skin substructure up to a depth of 20 mm. DermaScan® C measurement

Photo-ageing signs (e.g. wrinkles, dryness, loss of firmness) are accompanied by structural changes such as the reduction of dermis density and skin thickness. Ultrasonography measurements can be used to assess the improvement of internal skin layers.