No, not all girls get terminal chin hairs.
Most females have very fine, light-colored hair called vellus hair on their faces, including the chin. However, the development of darker, thicker terminal chin hairs is not universal. According to research, whether or not a woman develops noticeable chin hairs depends on several factors:
- Genetics: Some women are genetically predisposed to develop more facial hair.
- Age: Hormonal changes associated with aging, especially menopause, can trigger the growth of more terminal hair on the chin, neck, or face (28-Feb-2020).
- Hormone Levels: Higher levels of androgens (male hormones) can lead to increased facial hair.
- Racial Background: Different racial groups can have varying levels of androgen, resulting in different amounts of body and facial hair (28-Feb-2020).
Therefore, while most women have some hair on their chins, the presence of noticeable, dark chin hairs is not something that all girls experience.