Product Overview Strength is beautiful – & we can strongly recommend Balance Scalp Energy Serum from Wella's System Professiona L as the perfect solution for making thin hair stronger. This exclusive, patented formula works to fortify weakened locks for an impactful finish. Benefits Alongside effectively strengthening, the serum can reduce hair loss by up to 50%* for results that not only look beautiful but help to boost hair confidence. *related to congenital hair loss