Joico Defy Damage Sleep Over Overnight Nourishing Treatment 3.38 oz
Experience the thrill of visibly softer, smoother, shinier hair as this bedtime bond-strengthener protects each strand from daily damage and pollution, reducing breakage and the appearance of split ends. Smooth it on before you slumber, then rise and shine.
Key Benefits
- Protects hair from daily damage and pollution
- Reduces breakage and the appearance of split ends
- Delivers visible softness, smoothness, and shine
Usage
Apply to damp or dry hair before bedtime. Leave on overnight. Wash out in the morning.
| Product Size | 3.38 oz |
|---|---|
| Key Ingredients | Hydrolyzed keratin, panthenol, argan oil |
FAQ
How long should I leave the treatment on?
Leave the treatment on overnight. Apply before bedtime and rinse in the morning.
Can I use this treatment on color-treated hair?
Yes, this treatment is suitable for color-treated hair and helps protect against further damage.
Does it help with frizz?
Yes, the treatment helps smooth hair and reduce frizz for a more polished look.

Alison Fraser –
I’ve used this overnight treatment for a few weeks now and notice my hair feels much softer and smoother every morning. It’s especially helpful during winter when the air is dry. My hair doesn’t feel brittle anymore, and the shine has improved noticeably.
Jason Lawrence –
I applied it every night before bed and woke up with less split ends. My hair feels stronger and more manageable. It’s a simple routine that makes a real difference without any harsh chemicals.
Irene Turner –
After using this treatment for two weeks, my hair looks healthier and feels more resilient. I especially appreciate how it protects against pollution and daily wear. No greasiness or residue after washing.
Alexander Wallace –
It works well for my curly hair. The treatment helps reduce frizz and gives a more defined, polished look in the morning. I leave it on overnight and rinse it out in the morning.
Frank Rees –
I used this for the first time last month and was impressed by how quickly I saw results. My hair feels softer and shinier, and I notice fewer breakages. I recommend it for anyone looking to strengthen and nourish their hair.