This overnight hair rescue from alterna works throughout the night so when you awaken your hair is silky shiny and much stronger while also being healthier and visibly rejuvenated it instantly penetrates deep into your hair and delivers vital nutrients to your hair while you sleep it is also free of parabens gluten mineral oil and phthalates and wont leave behind any residue on your pillow to use apply to dry hair before bedtime dispense a small amount onto palms then rub hands togethe