CHARACTERISTICS OF HEALTHY AND UNHEALTHY HAIR, AND WHAT TO DO.

Published: 2026-02-03 Updated: 2026-02-03

Rector Advisor, Vice Dean, and Faculty Member - Istanbul Kent University, Faculty of Pharmacy, Departmant of Pharmocology
Visiting Researcher&Lecturer - University College London, Mechanical Engineering and Faculty of Medicine, UK
Visiting Lecturer - University of Aveiro, Faculty of Biomedical Engineering, Portugal

Editorial note

Map of Health content is prepared with an evidence-based approach. References are provided for transparency.

Medical disclaimer

This content is for informational purposes only and does not replace professional medical advice, diagnosis, or treatment. If you have an urgent medical concern, seek immediate care.

"Maintaining the structural integrity of the hair by avoiding chemical and thermal factors that damage keratin tissue helps sustain the vitality of hair follicles and preserve the healthy growth cycle."

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CHARACTERISTICS OF HEALTHY AND UNHEALTHY HAIR, AND WHAT TO DO.

Category	Feature	Health Impact	Action Required
Healthy	Shiny and soft	General health is good	Maintain a balanced diet
Healthy	Strong and resilient	Shedding decreases	Consume protein and biotin
Healthy	Healthy scalp	Blood circulation is regular	Regular hair care should be done
Healthy	Easy to comb	Shedding and breakage decrease	Avoid chemical treatments
Healthy	Balanced moisture level	Hair elasticity is preserved	Use moisture masks
Unhealthy	Dull and lifeless appearance	Sign of nutritional deficiency	Improve nutrition routine
Unhealthy	Brittle and sheds easily	Weakens and falls out	Reduce heat styling
Unhealthy	Dandruff and itching	Risk of fungus and infection increases	Natural care products should be preferred
Unhealthy	Frizz and puffiness	Hair strands weaken	Use moisturizing shampoo
Unhealthy	Excessively oily or very dry	Oil balance is disrupted	Hair balance must be maintained