My hair is thinning with very shiny scalp and vellus hair all over my scalp that seems to be almost colorless. (Photos)

Hair loss has many causes. İt can be hormonal, stress related or genetic. First you have to figure out your reason of hair loss and then get the tratment for that problem.

This needs an in-person evaluation. I suggest seeing a hair loss expert now to go over your condition and provide you information about your best treatment options. There are great non-invasive options like prp/progesterone and/or hair transplantation. See an expert. Best, Dr. Emer

You may wish to see a physician who specializes is hair loss. At least one of your diagnoses is "female androgenetic alopecia" but you may have others too. Only a careful review of your story and up close exam can determine all causes. You will need blood tests as well to exclude issues such as iron and thyroid dysfunction.

There can be several causes for the hair loss in females and more times than not it recovers in due course of time. Hair-fall after sickness like high fever or major surgery or pregnancy are common. There can be considerable amount of hair loss due to ageing and change in hormones associated with menopause. Excessive styling or putting hair through too much stress can cause hair loss. Certain skin problems can lead to scarring and hair loss. 
Most times the situation can be reversed by its self and arrested at a stage if diagnosed at correct time with medication and making nutritional and lifestyle adjustments. If required hair transplant procedure can be helpful to bring permanent results. A consultation with doctor and some blood tests to look for possible causes is imperative.