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Hair Volume
Image Analysis
If you want to show how your products delivery volume and body, then you might want to consider performing a tress volume test.
Testing involves the use of an image analysis method to track the changes in tress dimensions and volume before and after treatment with sample products under climate-controlled conditions. High quality photographic images are acquired to characterize the shape of the tresses over time. The volume dimensions are measured from the captured images and determined using custom written TRI software.
The volume test works best for styling products that create hold. The volume test can also be performed with a sebum-treated baseline to characterize volume via cleansing, ideal for shampoos or shampoo and conditioner regimens.
TRI Publications
Evans (2018)
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Photographic images are acquired to characterize the shape of the tresses over time. The tresses are held under controlled humidity conditions.