This lavish strengthening conditioner is enriched with Biotin andย ProVitamin B5, two powerful vitamins that strengthen, nourishย and add luster to hair. A mix of eleven amino acids, the buildingย blocks of proteins, are used to strengthen, repair and conditionย the hair shaft. With regular use, hair will look and feel thicker,ย healthier and more luxurious. Safe for colored, straightened andย chemically-treated hair.