Ulta Matrix  Instacure Build-A-Bond Super Sealing Leave-In Balm For Very Damaged Hair

1 billion bonds in every bottle to fight damage! Restore hair strength and repair damage with Matrix Instacure Build-A-Bond Super Sealing Leave-In Balm For Very Damaged Hair. Formulated with citric acid to strengthen hair and squalane to soften and smooth. It protects against frizz, breakage & heat.