Joico Defy Damage Sleepover Overnight Treatment, 3.38 oz — No‑Rinse Bond Strengthening & Instant Softness

Designed to work during nightly rest, this leave-on formula combines arginine and keratin to target weakened areas of the hair shaft without rinsing. The lightweight cream is formulated to absorb overnight and deliver visible softness, smoother texture, and reduced appearance of split ends. Use it as part of an evening routine or whenever hair needs intensive recovery without interrupting daytime styling.

How does this overnight treatment protect hair while I sleep?

The formula supports weakened bonds in the hair which helps lower breakage caused by overnight friction and combing. It leaves a conditioning layer that smooths the cuticle and reduces friction against pillows and bedding.

• Arginine helps reinforce bond integrity along the hair shaft.
• Keratin deposits support surface strength and resilience.
• No-rinse design lets nutrients penetrate during sleep without weighing hair down.
• Softening agents reduce friction that leads to breakage and frayed ends.

Will this treatment make my hair feel heavy or greasy in the morning?

Joico’s Sleepover treatment is formulated to be lightweight so it conditions without leaving a heavy or oily residue. Most users find hair feels noticeably softer and easier to detangle after one night, with improved manageability.

• Absorbs overnight to avoid daytime greasiness.
• No-rinse formula eliminates the need for morning washing.
• Designed to be compatible with most hair types, including chemically treated hair.
• Visible softness and shine without stiffness.

How often should I use Joico Defy Damage Sleepover for best results?

Frequency depends on hair condition—use nightly for an intensive recovery period, then scale back to 1–3 times weekly for maintenance. Regular use helps the product build cumulative benefits for reduced split-end appearance and improved texture.

• Intensive repair: nightly until desired improvement.
• Maintenance: 1–3 times per week to preserve softness and strength.
• Works alongside regular styling and color care routines.
• Safe to layer with other Joico treatments when following directions.

What should I expect after my first use?

After a single overnight application, hair typically feels softer and looks glossier, with tangles easing more quickly when brushed. The appearance of split ends can be less noticeable, and hair often behaves smoother when styled the next day.

• Instant softness and improved slip for easier detangling.
• Added shine and a smoother surface texture.
• Less visible fraying at the ends after one application.
• Progressively stronger-looking hair with continued use.

Who is this for: Joico Defy Damage Sleepover is ideal for people with dry, brittle, chemically treated, or heat-stressed hair who want a simple overnight step to improve softness and reduce breakage. It suits anyone seeking a no-rinse, low-effort treatment to boost manageability and appearance—especially useful for those who prefer to treat hair while they sleep or avoid extra morning styling steps.

Ingredients

Water/Aqua/Eau, Dimethicone, Cetearyl Alcohol, Glyceryl Stearate SE, Phenyl Trimethicone, Phenoxyethanol, Behentrimonium Chloride, Simmondsia Chinensis (Jojoba) Seed Oil, Carthamus Tinctorius (Safflower) Seed Oil, Laurdimonium Hydroxypropyl Hydrolyzed Keratin, Moringa Oleifera Seed Oil, Arginine HCl, Phosphatidylcholine, Rosa Canina Fruit Oil, Avena Sativa (Oat) Peptide, Arginine, Steareth-2, Propylene Glycol, PEG-150/Decyl Alcohol/SMDI Copolymer, Crambe Abyssinica Seed Oil Phytosterol Esters, Polyquaternium-37, Dicaprylyl Carbonate, Sodium Gluconate, Glyceryl Laurate, C12-15 Alkyl Benzoate, PEG-90M, Citric Acid, Lauryl Glucoside, Dipropylene Glycol, C10-40 Isoalkylamidopropylethyldimonium Ethosulfate, Isopropyl Alcohol, Benzoic Acid, Sodium Benzoate, Tocopherol, Limonene, Linalool, Geraniol, Citronellol, Coumarin, Fragrance/Parfum.