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22 January 2014 : Original article  

Age estimation using level of eyebrow and eyelash whitening

Feride Aylin KantarcıABCDEF, Muhammed Nabi KantarcıACEF, Sefer BilgiABEF

DOI: 10.12659/MSM.889946

Med Sci Monit 2014; 20:97-102


BACKGROUND: The aim of this study was to determine whether eyebrow and eyelash whitening is an effective parameter in age estimation.

MATERIAL AND METHODS: We evaluated 1545 patients. Age groups were 1–10, 11–20, 21–30, 31–40, 41–50, 51–60, 61–70, 71–80, and 81–90 years. Level of whitening was categorized as level 0: no whitening, level 1: 1–3 strands, level 2: 3–10 strands, level 3: 10 strands–2/3 whitening, level 4: >3/4 whitening.

RESULTS: Mean age was 42.39±20.01. While there was no eyebrow whitening in 87% of the subjects, level 4 whitening of eyebrows was observed in 0,8% of the subjects. There was no eyelash whitening in 97,7% of the subjects and no level 4 eyelash whitening was detected in any subject. Men had significantly more level 1, 2, 3, and 4 eyebrow whitening compared with women. There was no gender difference in terms of eyelash whitening level. There was no eyebrow and eyelash whitening in subjects age 1–40 years; whitening began in the 41–50 years age group and increased with age in other groups. Mean age was 39.59±19.63 years in subjects with no eyebrow whitening; 59 years in level 1, 61 years in level 2, 63 years in level 3, and 69 years in level 4 eyebrow whitening. Mean age was 41.85±19.87 in subjects with no eyelash whitening; and 63.57±10.75 in those with whitening.

CONCLUSIONS: Particularly after 41–50 years of age, level of eyebrow and eyelash whitening may be among a useful age estimation parameter.

Keywords: Adolescent, Aged, 80 and over, Aging - physiology, Analysis of Variance, Child, Child, Preschool, Eyebrows - physiology, Eyelashes - physiology, Hair Color - physiology, Sex Factors

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750