A method for analysing the effect of an assault in the hair, which comprises the following steps: (i) collect Data By capturing images on the surface of a hair at least(ii) applying at least one Assault to the surface of the hair only, (iii) to collect, By capturing Images, The Data on the surface that only hair that arise from step (ii)(iv) to convert the Image Data that were collected in Steps (i) and (iii) in a format to create images Magnified from a 3D printer,(V) to produce Magnified 3D surface models of the single Hair from a 3D Printer using the data of Step (iv)(VI) to compare the 3D model from the step (iii) with the 3D model of Step (i) and (vii) to assess the degree of damage to the hair.A method for determining the effect of a Treatment regime or beneficial in the hair, which comprises the following steps: (i) collect Data By capturing ImagesOn the surface of Hair, as a minimum, (ii) convert the Image Data from step (i) in a format to create images Magnified from a 3D printer,(iii) to produce one or more Magnified 3D surface models of the single Hair from a 3D Printer using the data of Step (ii)(iv) to analyze the properties of the surface of the hair that are evident from the 3D Models, (V) to assess the degree of damage to the hair.(VI) applying to the hair an appropriate and beneficial regime or treatment, taking into account the findings of the steps (iv) and (V) or (vii) to collect, By capturing Images,Data on the hair Surface arising from the single STEP (VI) and produce a Magnified 3D model of the surface of the Treated Hair, using the Image Data.(viii) to compare the 3D model from the step (vii) with the 3D model from the step (iii) and (IX) to assess the beneficial effect to the hair.Un método para analizar el efecto de una agresión en el cabello, que comprende los siguientes pasos: (i) recoger datos, mediante la captura de imágenes, sobre la superficie de un cabello como mínimo, (ii) aplicar al menos una agresión a la superficie de dicho único
