Types and Characteristics of Hair Across the Globe: Results of a Multinational Study on 19,461 Individuals

February 2025 in “ Clinical Cosmetic and Investigational Dermatology ”

Frédéric Flament, Aurélie Maudet, Philippe Barbarat, Meriem Jabnoun, Muriel Bayer‐Vanmoen, A. Legrain, Stéphanie Leclerc‐Mercier, C. Taïeb, Charbel Skayem, Laurence Lebarbanchon

TLDR Hair affects self-image and well-being, varying by gender, ethnicity, and country.

The multinational study involving 19,461 individuals reveals that hair characteristics have a significant impact on daily life, self-image, and well-being, with variations observed across gender, ethnicity, and country. The research underscores the importance of developing interventions to mitigate the psychological and social effects of hair-related issues, which could lead to improvements in healthcare, body image, and the development of hair care products.

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Research cited in this study

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research The Hairdex Quality of Life Instrument: A Translation and Psychometric Validation in Patients with Alopecia Areata

5 citations , February 2023 in “Skin Health and Disease”

The Swedish Hairdex-S is a reliable tool for assessing quality of life in Alopecia Areata patients.

research Health-Related Quality of Life, Depression, and Self-Esteem in Patients With Androgenetic Alopecia

15 citations , July 2021 in “JAMA Dermatology”

Androgenetic alopecia negatively affects quality of life and self-esteem, especially in women, but not depression.

research Patient Satisfaction and Quality of Life Among Adult Women with Androgenetic Alopecia Using 5% Topical Minoxidil

May 2021 in “The Journal of clinical and aesthetic dermatology”

Most women with hair loss using 5% topical Minoxidil are satisfied with the treatment, but hair loss still affects their daily habits and social life.

research Asian Hair: A Review of Structures, Properties, and Distinctive Disorders

39 citations , April 2020 in “Clinical, Cosmetic and Investigational Dermatology”

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

research Quality of Life Assessment in Patients with Androgenetic Alopecia

30 citations , January 2019 in “International Journal of Trichology”

Androgenetic alopecia significantly harms quality of life, affecting emotions and relationships.

HRQoL in Hair Loss-Affected Patients with Alopecia Areata, Androgenetic Alopecia, and Telogen Effluvium: The Role of Personality Traits and Psychosocial Anxiety

research HRQoL in Hair Loss-Affected Patients with Alopecia Areata, Androgenetic Alopecia, and Telogen Effluvium: The Role of Personality Traits and Psychosocial Anxiety

29 citations , November 2018 in “Journal of The European Academy of Dermatology and Venereology”

Personality traits and anxiety affect hair loss patients' quality of life.

research Health Improvement of Human Hair and Their Reshaping Using Recombinant Keratin K31

12 citations , October 2018 in “Biotechnology reports”

Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.

research Comparison of Quality of Life in Patients with Androgenetic Alopecia and Alopecia Areata

23 citations , August 2018 in “Anais Brasileiros De Dermatologia”

Both androgenetic alopecia and alopecia areata negatively impact quality of life, with no significant difference between them.

research Quality of Life with Alopecia Areata Versus Androgenetic Alopecia Assessed Using Hair Specific Skindex-29

13 citations , January 2018 in “Annals of Dermatology”

Alopecia areata and androgenetic alopecia affect quality of life similarly.

research Quality of Life Assessment in Patients with Alopecia Areata and Androgenetic Alopecia in the People's Republic of China

32 citations , January 2017 in “Patient Preference and Adherence”

Alopecia affects patients' quality of life, with younger patients and longer-lasting hair loss experiencing greater impact.

research Age, Health, and Attractiveness Perception of Virtual Human Hair

11 citations , December 2016 in “Frontiers in Psychology”

Hair style affects perceptions of age, health, and attractiveness more than hair color does.

research Hair Cosmetics: An Overview

193 citations , January 2015 in “International journal of trichology”

Dermatologists need to understand hair products to treat hair and scalp issues better.

research Healthy Hair: What Is It?

47 citations , November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings”

Healthy hair is shiny, smooth, and has clean ends.

research The Psychological Effects of Androgenetic Alopecia in Men

192 citations , June 1992 in “Journal of The American Academy of Dermatology”

Hair loss can cause low self-esteem, anxiety, and depression in men.