Final answer:
Photo retouching is the technique used to alter the look of models in fashion photography. Makeup and lighting tricks also play a role in altering the appearance.
Step-by-step explanation:
The technique used to alter the look of models in fashion photography is photo retouching.
Photo retouching involves using image editing software to manipulate the appearance of the models by adjusting various aspects such as skin tone, body shape, and removing any imperfections. This technique is commonly used to achieve the desired 'ideal' look in the fashion industry.
Additionally, both makeup and lighting tricks also play a role in altering the look of models in fashion photography. Makeup is applied to enhance the features of the models and create specific looks, while lighting tricks can be used to create different moods and highlight certain aspects of the models' appearance.
Learn more about techniques to alter the look of models in fashion photography