Neutrogena T/Sal Therapeutic Shampoo With Salicylic Acid 4.5 For $2.12-$2.37 Shipped From Amazon This was selling for $6.77 yesterday and is now the lowest price in the past eight years from Amazon. This effective dandruff shampoo contains 3% salicylic acid, a clinically proven active ingredient and treats symptoms caused by scalp psoriasis, seborrheic dermatitis & […]