<p><b>What it is</b>: A hair serum that helps repair and seal broken ends while protecting against future fraying.</p><p><b>What it does</b>: With its ultranourishing damage-fighter, Virtue has finally cracked the code to put an end to split ends. Chock-full of their patented Alpha Keratin 60ku™ protein, the Split End Serum mends and seals frayed, brittle ends on contact, restoring hair to its pre-damaged state.</p><p><b>How to use</b>: Using your fingertips, apply a quarter-sized amount to clean, damp or dry hair from mid-shaft to ends. Style as usual.</p>