Flakiness is due to dry skin and may be related to an underlying thyroid condition. If the area is localized, it could be actinic keratosis, a precursor to skin cancer called basal cell carcinoma. This is caused by sun damage.
Thinning of Skin
This can be a sign of aging or chronic steroid use.
Hirsutism is excess hair growth on the face in women, such as on the chin, upper lip and sideburns. It is due to excess androgens like testosterone, which is a feature of polycystic ovarian syndrome (PCOS). PCOS is associated with insulin resistance, acne, infertility, and obesity.