Like all body hair, hair growth on the chin is influenced by the hair growth cycle which includes the anagen (growth), catagen (transitional), and telogen (resting) phases. Androgens, a group of hormones that includes testosterone, play a crucial role in stimulating hair growth. While women naturally produce androgens, an imbalance or increased sensitivity to these hormones can lead to more noticeable facial hair. The density and distribution of hair follicles, which are determined genetically, also affect how much hair grows on the chin.
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