Never run out of your favorite overnight hair treatment with the Kerastase Nutritive 8H Magic Night Serum Treatment Duo Set. This limited-edition set includes one full-size 90 mL and one travel-size 30 mL of the bestselling Nutritive 8H Magic Night Serum, giving you one for home and one for on the go.

This luxurious leave-in overnight hair serum is clinically proven to work for 8 hours while you sleep, delivering deep hydration, frizz reduction, and strengthening benefits to dry, damaged hair. Simply apply before bed and wake up to hair that is noticeably softer, smoother, shinier, and easier to style. No rinsing needed in the morning.

Formulated with Plant-Based Proteins and Niacinamide, the lightweight, fast-absorbing cream formula melts into hair without leaving any greasy residue. It protects strands from pillow friction overnight and provides long-lasting nourishment from mid-lengths to ends, all while you rest.

Clinical results: 8 hours of overnight nourishment versus unwashed hair. 84% less frizz versus non-conditioning shampoo. 98% stronger hair versus non-conditioning shampoo.

Key highlights:

Overnight leave-in hair serum for dry, frizzy, and damaged hair. Works for 8 full hours to restore hydration, strength, and softness. 84% less frizz and 98% stronger hair with regular use. Plant-Based Proteins nourish and help retain essential moisture in hair. Niacinamide locks in hydration for long-lasting hair strength. Lightweight, non-greasy formula absorbs quickly with no morning rinse needed. Safe for color-treated, chemically processed, straight, wavy, curly, and coily hair. Suitable for fine, medium, and thick hair types.

How to Use: Before going to sleep, apply 1 to 2 pumps, depending on hair length. Massage into mid-lengths and ends of dry or damp hair. Leave in overnight without rinsing. Repeat 3 nights a week or as needed. For best results, put hair in a loose topknot or braid before sleeping to reduce morning frizz. In the morning, shake out for soft, effortless waves.