I had Hair loss and my hair got pretty thin, dry, brittle and had a lot of breakage. This happened even though I got plenty of Protein, took Vitamins, lab work was normal and I took Biotin. I tried tons of different shampoos, oils, and essential oils. What finally worked for me was I started taking powdered marine collagen mixed in my Water every day and I drank a cup of bamboo tea once or twice a day (bamboo tea is high in silica and is good for skin hair and nails). This combinations stopped the hair loss and my hair over a course of about two months got shinier and the breakage stopped. I am almost three years post op and my hair is back to normal. I occasionally drink bamboo tea just to help it out plus I like the taste.
The Hair loss is due to telogen effluvium. Essentially, the shock of surgery causes temporary trauma to the hair follicles. Keep reading to learn more.
http://www.americanhairloss.org/types_of_hair_loss/effluviums.asp
This type of hair loss normally begins anywhere from three to six months after the surgery and subsides within a few months after it started. Some people praise Biotin supplements and Progaine Shampoo and conditioner products, but time is the factor that resolves the issue.