No.5 Leave-In Moisturize & Mend Leave-In Conditioner

No.5 Leave-In Moisturize & Mend Leave-In Conditioner is rated 4.6 out of 5 by 34.
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3.3 oz.
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What It Is

This moisturizing leave-in provides instant results and continuous repair and protection from cortex to cuticle. No.5LEAVE-IN immediately seals split ends and promotes visibly healthier hair after one use. Go beyond hydration with OLAPLEX Bond Building Technologyâ„¢ and High-Adhesion Sealing Complex.

What It Does

• Revives hair health leaving it softer, hydrated, and healthier-looking.

• Up to 88% split-end sealing after one use*

• 12x more moisture after one use*

• Reduces breakage by 81%*

• Heat protection up to 450°F

• Vegan. Color-safe.

 

*As tested in a clinical facility using curly tresses.

1. Apply 1-2 pumps to clean, damp hair. Add more as needed.

2. Follow with your preferred stylers.

 

Fine Hair: Begin with 1 pump.

Medium to Coarse Hair: Begin with 2 pumps.

Water/Aqua/Eau, Cetearyl Alcohol, Astrocaryum Murumuru Seed Butter, Propanediol, Behentrimonium Chloride, Glycerin, Cetyl Alcohol, Isoamyl Laurate, Squalane, Bis-Aminopropyl Diglycol Dimaleate, Brassicyl Valinate Esylate, Cetyl Esters, Pentylene Glycol, Phenethyl Benzoate, Brassica Campestris/Aleurites Fordi Oil Copolymer, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Caprylic/Capric Triglyceride, Cetrimonium Chloride, Caesalpinia Spinosa Gum, Fructooligosaccharides, Beta Vulgaris (Beet) Root Extract, Sodium PCA, Hydroxypropyl Starch Phosphate, Guar Hydroxypropyltrimonium Chloride, Sodium Lactate, Hydrogenated Ethylhexyl Olivate, Calcium Gluconate, Argania Spinosa Kernel Oil, Caprylyl Glycol, Cocos Nucifera (Coconut) Oil, Panthenol, Arginine, Ethylhexylglycerin, Oryza Sativa (Rice) Bran Extract, Sodium Phytate, Aspartic Acid, Potassium Lactate, Ximenia Americana Seed Oil, PCA, Hydrogenated Olive Oil Unsaponifiables, Butylene Glycol, Lactic Acid, Raphanus Sativus (Radish) Seed Extract, Octyldodecyl Oleate, Octyldodecanol, Helianthus Annuus (Sunflower) Extract, Propylene Glycol, Glycine, Citric Acid, Alanine, Algin, Coco-Glucoside, Sorbitan Oleate, Serine, Tocopherol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Valine, Carrageenan, Chitosan, Xanthan Gum, Isoleucine, Proline, Threonine, Histidine, Phenylalanine, Magnolia Officinalis Bark Extract, Betula Alba Bark Extract, Crambe Maritima Extract, Ulmus Fulva Bark Extract, Caesalpinia Spinosa Fruit Extract, Sodium Hyaluronate, Hydrolyzed Ceratonia Siliqua Seed Extract, Zea Mays (Corn) Starch, Helianthus Annuus (Sunflower) Sprout Extract, Polyquaternium-7, Sodium Hydroxide, Phenoxyethanol, Sodium Benzoate, Potassium Sorbate, Fragrance (Parfum), Hexyl Cinnamal, Limonene, Citral, Linalool, Citronellol

Purchases made in SalonCentric stores may be returned to any SalonCentric store. Purchases made through SalonCentric Customer Service, SalonCentric Business Partners, and SalonCentric.com orders Sold and Shipped by SalonCentric may be returned to a SalonCentric store; however, the return must not exceed $450 and must include the original receipt, packing slip, or invoice. For returns in-store of online orders, the refund will be credited back to the original payment method once the return has been processed. For SalonCentric.com Online Exclusive orders sold and shipped by third-party sellers, please see more details linked below for return steps.

The SalonCentric return policy does not currently apply to Kérastase & Shu Uemura purchases. Kérastase & Shu Uemura do not accept returns.

Click to see more details.

Rated 5 out of 5 by from Good quality, my hair feels amazing Excellent , good quality, my hair feels amazing!
Date published: 2025-11-05
Rated 4 out of 5 by from It’s a yes for me! This product really does help my hair. I am an African-American and I started going natural about 20 years ago and this is the best product that I have made for my hair. It makes it smooth. Shinier definitely helps detangler it and makes it healthier all around.
Date published: 2025-09-06
Rated 5 out of 5 by from My go-to leave in conditioner! Love this leave in conditioner! Great for all hair types and it's not heavy so good for fine hair clients. 10/10 recommend
Date published: 2025-06-10
Rated 5 out of 5 by from olaplex no 5 My boyfriend loves this for his wavy dry hair, literally a moisturizer coat but keeps the waves supple and smooth looking
Date published: 2025-05-06
Rated 5 out of 5 by from Softening, smoothing MOISTURE BOMB! My coarse, dry, thick bleached lengths love this creamy leave-in! It’s rich (but not oily or silicone-y) and hydrating enough for my hair unlike the dozens of leave-ins out there that “don’t weigh hair down”. I add No 6 (which is lighter and drier) on top of it for extra smoothing and to seal it in, then add a generous amount of Olaplex oil on my ends. If I want a heavier serum that I can use a smaller amount of to take away severe puff and split ends, I finish with the L’Anza Keratin Healing Oil instead of the Olaplex oil.
Date published: 2025-04-05
Rated 5 out of 5 by from A+ Doesn't weigh the hair down, yet it has great control ability
Date published: 2025-02-24
Rated 5 out of 5 by from Love It I love this product. My hair was so soft after using it and it's a great heat protectant!
Date published: 2025-01-14
Rated 5 out of 5 by from Leaves hair moisturized I can feel the mood in my hair when I use this. Leaves my hair so soft and bouncy.
Date published: 2024-12-15
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