what is the best shampoo for alopecia areata?
['Nioxin Cleanser (thickening and follicle stimulating!) ... ', 'Shapiro MD Hair Regrowth Shampoo (best DHT blocker!) ... ', "Pura D'Or Anti-Hair Loss Shampoo (multi-purpose for females!) ... ", 'Laritelle Organic Shampoo (great for thinning hair!)']