Hair loss or thinning can have a significant impact on your self-confidence, especially considering 40 percent of those struggling with hair loss are women. Thick, luscious hair is often associated with youth, femininity, and masculinity. There are a variety of causes behind hair loss including genetics, stress, hormonal changes, and autoimmune diseases, but treatment for thinning hair or a receding hairline has been difficult in the past. PRP, or Platelet-Rich Plasma, is an emerging treatment that can effectively stimulate hair growth.