Clinical Research Directory

for the patient group: Inclusion criteria: * Patients with male or female pattern hair loss diagnosed clinically or suspected clinically and confirmed trichoscopically * Age of disease onset 12-50 years old * Both genders * Any grade of androgenetic alopecia * Any duration of androgenetic alopecia * Any skin type Exclusion criteria by clinical and trichoscopic examination: * Patients with patchy hair loss or Telogen effluvium only. * Patients with cicatricial alopecia or diffuse alopecia areata * Patients with inflammatory scalp disorders (psoriasis, seborrheic dermatitis, lichen planopilaris and frontal fibrosing alopecia in a pattern distribution) * Lack of patient cooperation. for the control group: apparently healthy participants not suffering from the following: AGA, patchy hair loss, cicatricial alopecia, diffuse alopecia areata, inflammatory scalp disorders (psoriasis, seborrheic dermatitis, lichen planopilaris and frontal fibrosing alopecia in a pattern distribution).