Olaplex Nº.5 Leave-In Moisturize & Mend Leave-In Conditioner
A moisturizing leave-in conditioner with a gel-creme texture to instantly hydrate and seal split ends. The reparative formula works from cortex to cuticle to continuously mend hair damage and split ends while protecting from heat up to 450°F/232°C. Ideal for dry hair or dehydrated hair.
CLINICALLY PROVEN
- Up to 88% split-end sealing after one use.*
- 12x more moisture after one use.*
- 81% reduction in breakage after one use.*
- 450°F/232°C heat protection.
*As tested in a clinical facility using curly tresses.
FREE OF
Sulfates, Silicones, Phthalates, Paraben, MIC/MIT, Protein. Color safe, vegan, suitable for chemically treated hair.
FAQ
How often should I use this product?
This leave-in conditioner can be used daily or as needed to maintain hydration and repair split ends.
Is this product suitable for all hair types?
This product is ideal for dry or dehydrated hair, but it can also be used on other hair types for added moisture and protection.
Does it provide heat protection?
Yes, it offers heat protection up to 450°F/232°C, making it suitable for use before styling with heat tools.
Is this product vegan?
Yes, this product is vegan and free from harmful chemicals.
Can I use this product with other Olaplex products?
Yes, it works well with other Olaplex products for a complete hair care routine.

Penelope Rutherford –
I have been using this leave-in conditioner for a few weeks, and my hair feels much healthier. It really helps with split ends and keeps my hair hydrated throughout the day.
Heather Hodges –
This product is a game-changer for my dry hair. It leaves my hair feeling soft and smooth without any greasy residue. I love the heat protection feature too.
Warren Jones –
I was skeptical at first, but this leave-in conditioner has made a noticeable difference. My hair is less breakage and more manageable now.
Dylan Hodges –
I use this product every day, and it has become a staple in my hair routine. It’s easy to apply and provides long-lasting hydration.
Abigail Miller –
I have very curly hair, and this product works wonders for sealing split ends. It also helps protect my hair from heat damage when I use my straightener.
Peter Hart –
I love how this product feels on my hair. It’s lightweight and doesn’t weigh my hair down. It’s a must-have for anyone with dry or damaged hair.
Gavin Hart –
This leave-in conditioner has improved the overall health of my hair. It’s a great addition to my daily routine and I highly recommend it.
Sebastian Churchill –
I’ve used several leave-in conditioners, but this one stands out. It’s effective, easy to use, and leaves my hair feeling soft and smooth.
Cameron Howard –
I have been using this product for a month, and I can already see a difference. My hair is less frizzy and more manageable. I’m impressed with the results.
Abigail Gill –
This product is a great investment for anyone looking to repair and maintain their hair. It’s worth every penny and has made a noticeable difference in my hair’s health.
Zoe Howard –
I love how this leave-in conditioner works with my other Olaplex products. It’s a great way to keep my hair hydrated and protected from damage.
William Roberts –
This product is perfect for my dry hair. It provides long-lasting moisture and helps seal split ends. I would definitely recommend it to others.
Bernadette Edmunds –
I have been using this product for a few weeks, and it has made a big difference in the health of my hair. It’s a great addition to my hair care routine.
Sebastian Turner –
I love how this product feels on my hair. It’s lightweight and doesn’t leave any residue. It’s a great way to keep my hair hydrated and protected.
Stephen Hodges –
This leave-in conditioner has improved the overall condition of my hair. It’s a great product for anyone looking to repair and maintain their hair.
Bernadette Dyer –
I have been using this product for a month, and I can already see a difference. My hair is less breakage and more manageable. I’m impressed with the results.
Rose Nash –
This product is a great investment for anyone looking to repair and maintain their hair. It’s worth every penny and has made a noticeable difference in my hair’s health.
Steven Vance –
I love how this leave-in conditioner works with my other Olaplex products. It’s a great way to keep my hair hydrated and protected from damage.
Sally Avery –
This product is perfect for my dry hair. It provides long-lasting moisture and helps seal split ends. I would definitely recommend it to others.
Boris Lyman –
I have been using this product for a few weeks, and it has made a big difference in the health of my hair. It’s a great addition to my hair care routine.