Indus Valley Daily Care Shampoo makes for an amazing product that comes with added benefits. This sls and paraben free shampoo with a pH value of 5.5 helps to maintain the pH balance of the scalp. The product happens to be a chemical free shampoo that is Aloe-Vera and Glycerine based which nourishes hair scalp from the third layer and removes dryness from the hair and also provides for protection against hair problems like dandruff and hair fall. No Detergent Shampoo: This is free from any kind of detergent agents like SLES/SLS, is Paraben and Sulphate free as well. This makes for the best choice among the sls free shampoos as it is soap and Alkali free that has no synthetic additives which might cause damage to the scalp and the hairs.