JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS
Online ISSN : 2189-9967
Print ISSN : 0915-1168
ISSN-L : 0915-1168
Explanation
Tribology in Lips
―Moist Feeling When Rubbing Lips―
Eiko TAMURA
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2020 Volume 65 Issue 4 Pages 230-235

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Abstract

“Moisture” in the lips is very important in the point of the structure of the lips. So far, moisturizers and high occlusive lip film have been studied in order to improve lipsticks or lip balm care performance. We were looking for more approaches that consumers could realize from the formulation. Therefore, we focused on “smoothness when rubbing lips” from an interesting survey. A polymer that imparts a moist feel was revealed to develop rheological normal force, and a cellulose derivative was developed. It is also interesting in terms of tribology from the viewpoint of reducing the friction when the lips are rubbed together.

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© 2020 Japanese Society of Tribologists
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