Ohio Barber License Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Genetics or hormonal changes are widely recognized as a common cause of hair thinning because they significantly influence hair growth cycles and density. Conditions such as androgenetic alopecia, often referred to as male or female pattern baldness, are hereditary and can manifest at various life stages due to genetic predisposition. Hormonal changes, particularly those occurring during puberty, pregnancy, menopause, and due to thyroid issues, can also impact hair follicle function and lead to thinning.

While other factors such as nutritional deficiencies, cosmetic treatments, and overwashing hair can contribute to hair issues, they are often considered secondary to the potent role of genetics and hormones. Nutritional deficiencies might weaken hair over time, cosmetic treatments can damage hair structure, and overwashing can lead to dryness or brittleness, but none have the profound, systematic effect on hair density that genetic and hormonal factors typically do. Understanding these primary influences can help in addressing concerns about hair thinning effectively.