The main concern when a consumer uses a polish is its long wear; there are different ways to assess it: by clinical scoring, by image analysis and supplementing its metrological measurements by self-assessment.

The prolongation of the wear of a varnish, thanks to a topcoat can also be evaluated in the same way.

To this can be added the measurement of shine or the matte effect of a varnish or topcoat.

Improvement in nail hardness can also be measured in-vivo with a dedicated system.

Read the complete article: ZOOM#17 -Testing trends nails evaluation – in vitro efficacy testing – Skinobs.web

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