BB SUNDAY SHAMPOO
What: A weekly detox to rid hair of product residue, hard water minerals, pollutants, you name it. Perfect for product junkies and infrequent washers.
Who: Anyone (except color treated).
When: Weekly (any day will do); before masques and/or color/chemical treatments (not after).
How: Wet hair, lather in palms, massage through and rinse thoroughly (no need to repeat).