此探頭可提供模擬和經驗法則的測試結果，半圓形切刀的測試即模擬使用過程中的彎曲行為，測得樣品的剛性(Stiffness)、硬度(Hardness) 和易斷性(Breakability) 指標。
Lipstick is a moulded, solid fatty base containing dissolved and suspended colourants having a number of technical prerequisites. An important property sought by users is that the product must not bend, crumble, crack or break during application.
This cantilever test provides both imitative and empirical results in one test. Action is provided by a hemispherical edged blade which simulates the bending action caused during application.