Whey Protein Isolate
Whey protein isolate - Wikipedia says that whey protein is "is a mixture of globular proteins isolated from whey, the liquid material created as a by-product of cheese production"
Whey protein Isolates have been further processed to remove fat, lactose and other compounds, leaving them about 90% protein.
Dr. Shapiro has concluded that whey protein isolate, which is not a whole food - may aggravate hair loss. He has developed nutritional supplements expressly designed for healthy hair, which do not rely on whey protein isolate. He also has done a patient study contrasting the effects of hair loss due to taking supplements using whey protein isolate with using the whey protein concentrate supplement.