作者: Paul Albert Sagel , Jean Jianqun Zhao , Lan Ngoc Nguyen
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摘要: A strip of material for the delivery an oral care active is disclosed. The includes a structural elastic-like film backing layer including strainable network having first region and second formed substantially same composition, providing first, resistive force to applied axial elongation, distinctive further thereby at least two stages forces in use; composition disposed on film, active.