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Hair shaft, The visible part of the hair, consisting mainly of dead, keratinized cells and keratin.
The visible part of the hair, consisting mainly of dead, keratinized cells and keratin. In cosmetology and trichology, the meaning of this term always depends on the context: the location, symptoms, duration of the problem, products used, and individual tolerance.
Understanding this concept helps to better comprehend cosmetic product descriptions, specialist recommendations, and the mechanisms occurring in the skin or hair. However, it does not mean that identifying a single element is sufficient to choose a therapy.
It is not advisable to evaluate a product, ingredient, or procedure based solely on the popularity of the term. Formulation, concentration, method of use, contraindications, and skin condition are all important. Introduce changes one by one and observe the reaction.
If the problem is severe, recurrent, causes pain, intense itching, inflammation, sudden hair loss, or a noticeable change in skin appearance, consult a dermatologist. A cosmetologist or trichologist can support your care and refer you to the appropriate specialist.
This entry was prepared by Justyna Broda, cosmetologist and trichologist. This material is for educational purposes only and does not replace a diagnosis.