Hair Products for Damage - How Much is Science and How Much is Marketing Bullsh*t?

You bleach and /or dye your hair, you reach for a curling or flat iron without heat protection, you swim in salt water at the beach or chlorinated pool water at the gym…and suddenly your hair feels and looks rough, dry, and unmanageable.

The hair-care aisle at your favorite beauty supply overflows with products that promise to “penetrate hair fibers” an…