Mechanical modeling of pimple growth

Xiangbiao LIAO, Xiaobin DENG*, LiangLiang ZHU, Xiaoyang SHI, Hang XIAO*, Xi CHEN

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

1 Citation (Scopus)


Pimple is one of the most common skin diseases for humans, whose growth cause pain yet the corresponding mechanical analysis is lacking. A finite element model is developed to quantify the deformation field with the expansion of follicle, and then the mechanical stimulus is related to the sensation of pain during the development of pimple. Parametric studies show the dependence of mechanical stimulus and pain level on the pimple-surrounded structures, follicle depth and mechanical properties of the epidermis. The findings in this paper may provide useful insights on prevention or pain mitigation of pimples, as well as those related to other tissue growth and respective cosmetic concerns. © 2019
Original languageEnglish
Pages (from-to)191-195
Number of pages5
JournalJournal of the Mechanical Behavior of Biomedical Materials
Early online date16 Apr 2019
Publication statusPublished - Jul 2019
Externally publishedYes

Bibliographical note

X.C. acknowledges the support from the National Natural Science Foundation of China (11172231 and 11372241), Center for Advanced Materials for Energy and Environment at Columbia University ; X.L. and H.X. acknowledge the China Scholarship Council for the financial support.


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