Shoppers have long been able to use nutrition labels to choose low-salt meals or reduced-sugar cereal. Now some companies want to use labels to help them pick everything from shampoo to milk, based on ...

* Sulphate shampoo can cause dryness, irritation, and weaken skin's natural barrier * Carcinogenic contaminants like nitrosamines may be present in sulphate-rich //shampoos * Safer alternatives ...