The FTC has updated section Biconstituent or multiconstituent fibers:
Our Essential Guide to Wash Care Symbols
Otherwise, Pure GCE gets my vote. Good product except the product isn't the best. I've tried a few different brands and this isn't the worst but it's not the best.
Care labels provide helpful information that can save you time and money. Cleaner, fresher clothes means longer-wearing apparel. And clothes that are bleachable are easier to get clean. When a care label doesn’t mention bleach or says "Bleach when needed," . The care labels on your garments give you special instructions to help you keep your clothes looking their best. We’ve put together a handy guide so that you . A laundry symbol, also called a care symbol, is a pictogram which represents a method of washing, for example drying, dry-cleaning and ironing clothing. Such symbols are written on labels, known as care labels or care tags, attached to clothing to indicate how a particular item should best be cleaned.