Olaplex Nº.5 Bond Maintenance Strengthening Conditioner

Name: Olaplex Nº.5 Bond Maintenance Strengthening Conditioner
Brand: Olaplex

The conditioner that goes with Nº.4, creamy and detangling according to the maker. Owners on processed hair like it best, and others say a cheaper bottle does the same job.

8.5 ozConditionerBis-aminopropyl diglycol dimaleatePanthenolGlycerinScented

$34 MSRPAmazon price not shown

Check price on Amazon →

Amazon link · we earn a commission if you buy · $34 MSRP · Amazon price not shown · verified Nov 1, 2026. More stores appear here as each affiliate program approves the site.

Buy it if

Your hair is bleached or chemically processed
You want a thick conditioner where a little goes a long way
You use Nº.4 and want the set

Walk past if

Your hair is unprocessed; reviewers doubt you would notice much
You tangle easily; one owner says it made that worse
You want value at $34 MSRP

What's in it

The ingredients that do the work, from the maker’s label.

Bis-aminopropyl diglycol dimaleatePanthenolGlycerinArgan oilcontains essential oils

Sulfate-free →

Worth knowing: contains fragrance, contains essential oils.

Full ingredient list, from the maker

Aqua (Water, Eau), Cetearyl Alcohol, PPG-3 Benzyl Ether Myristate, Caprylic/Capric Triglyceride, Cetyl Alcohol, Octyldodecyl Ricinoleate, Quaternium-91, Cetrimonium Chloride, Divinyldimethicone/Dimethicone Copolymer, Glycerin, Behentrimonium Chloride, Cetyl Esters, Isododecane, Bis-Aminopropyl Diglycol Dimaleate, Phospholipids, Ahnfeltiopsis Concinna Extract, Panthenol, Hydrolyzed Hyaluronic Acid, Biotin, Euterpe Oleracea Fruit Extract, Punica Granatum Bark/Fruit Extract, Morinda Citrifolia Fruit Extract, Camellia Sinensis Seed Oil, Crambe Abyssinica Seed Oil, Persea Gratissima (Avocado) Oil, Vitis Vinifera (Grape) Seed Oil, Tocopheryl Linoleate/Oleate, Helianthus Annuus (Sunflower) Seed Oil, Argania Spinosa Kernel Oil, Camellia Sinensis Leaf Extract, Tocopherol, Helianthus Annuus (Sunflower) Seed Extract, Glycine Soja (Soybean) Oil, Dimethicone PEG-7 Isostearate, Hydroxypropyl Guar, PEG-7 Amodimethicone, Amodimethicone, C12-13 Alketh-23, C12-13 Alketh-3, Trideceth-12, C11-15 Alketh-7, Laureth-9, Polysilicone-15, PEG-8, PEG-8/SMDI Copolymer, Palmitoyl Myristyl Serinate, Pentaerythrityl Tetra-di-t-Butyl Hydroxyhydrocinnamate, Sodium Polyacrylate, Propylene Glycol, Sodium Acetate, Sodium Benzoate, Sodium Dehydroacetate, Potassium Sorbate, Citric Acid, Trisodium Ethylenediamine Disuccinate, Acetic Acid, Parfum (Fragrance), Phenoxyethanol, Chlorphenesin, Citral, Citrus Aurantium Peel Oil, Hexyl Cinnamal, Limonene, Menthol, CI 19140 (Yellow 5), CI 15985 (Yellow 6)

Where it goes in a routine

Wash day for bleached hair

1 Pre-treatOlaplex Nº.3PLUS Complete Repair Treatment

2 ShampooOlaplex Nº.4 Bond Maintenance Strengthening Shampoo

3 ConditionThis one

4 FinishLeave-in on the ends, then air dry or low heat.

Known issue

Owners say it conditions no better than cheaper bottles, and some report tangling, oddly scented bottles, or scalp irritation.MakeupAlley and Walmart reviews

What owners say

Filled by the research pass: two or three owner reports from named venues, each linked, each with the date it was read.

If it's not right

Garnier Fructis Sleek & Shine Smoothing Conditioner$8.99 MSRPA cheap rinse-out conditioner with a silicone and a little argan oil to smooth frizz. The fruity scent is strong enough to notice, and fine hair can go greasy.Nizoral Anti-Dandruff ShampooNo maker list price for this sizeKetoconazole 1%, labeled by the maker to control flaking, scaling and itching associated with dandruff. The carton says to use it every 3 to 4 days for up to 8 weeks, then only as needed.

Sources

Ingredient lists from the maker's label, not our measurements.