Mapping the Skin Uniformity Alongside the Human face by a 3D virtual approach via Research Gate

Mapping, in vivo, the uniformity of two skin properties alongside the human face by a 3D virtual approach

Objective To determine the homogeneity in the distribution of two cutaneous functions (hydration and elasticity) along the entire human face. Material and Methods The half faces (right or left, randomly chosen) of two groups of Caucasian women were measured on 24 different small sites (elasticity) and 41 others (hydration), by instruments of small‐sized probes (Cutometer® and Corneometer®, respectively).

Hydration of the face was recorded at different times (up to 24 hours), post application of a highly hydrating product. The recorded values (left and right half faces) were further gathered and digitally positioned on a virtual feminine face and their intensity was illustrated through a colored white (lower values)‐blue (higher values) scale. Results The reconstitution of the mapping of the two measured parameters (from the left and right sides of different subjects), shows a perfect symmetry vis à vis the nose axis.

However, both parameters present slightly variable but significant values along the human face. Sites from the temple are less elastic than chin or forehead. The upper and lower parts of the forehead show slight disparities in their elasticity values. Cheeks are significantly less prone at retaining their imparted hydration status (lost 2 hours after application of a hydrating product) as compared to sub‐ocular regions or chin that retain their hydration up to 24 hours.

Attempts to establish a mutual relationship between the two skin properties unsurprisingly failed. Conclusion The two studied skin properties show a slight but highly symmetric disparity along the entire human face. This article is protected by copyright. All rights reserved.

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