Table 5. Summary of subjects characteristics.

Characteristics	Sensitive skin (SS)	Normal skin (N)
Total number	13	13
Gender	Female	Female
Age (y), mean ± SD	38.5 ± 7.7	38.0 ± 7.6
Results of questionnaire, mean ± SD*	6.3 ± 0.8	1.0 ± 0.7
Scores of lactic acid stinging test, mean ± SD*	4.9 ± 0.9	1.6 ± 0.2
RNA sequencing	3	3
Age (y), mean ± SD	40.3 ± 6.7	39.3 ± 8.1
qRT-PCR	10	10
Age (y), mean ± SD	38 ± 8.2	37.6 ± 7.9

^*P < 0.05 were considered significant by t-test