Quaternium-91
Quaternium-91 is a hair conditioning ingredient. It’s in 22 products on Poliage, most often conditioner and hair styling. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
Quaternium-91: used to make hair smoother and easier to comb.
What it does
Contains Quaternium-91: hair-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 58942, accessed October 22, 2026.
Products that contain Quaternium-91
Not Your Mother’s
3-in-1 Conditioner
Conditioner · Lists fragrance, fragrance allergens
John Frieda
Brilliant Brunette Soin démêlant nutrition protection couleur
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, retinoid, silicones, formaldehyde releasers
Not Your Mother’s
Clean Slate Daily Conditioner
Conditioner · Lists fragrance, fragrance allergens, essential oils
Moroccanoil
Color Care Conditioner
Conditioner · Lists fragrance, drying alcohol, silicones
Act+Acre
Daily Hydro™ Hydrating Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils
Ouai
Leave In Conditioner Melrose Place
Conditioner · Lists fragrance, fragrance allergens, silicones
Ouai
Leave in Conditioner North Bondi
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones
Ouai
Leave In Conditioner St Barts Scent
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones
Not Your Mother’s
Leave-In Conditioner
Conditioner · Lists fragrance, silicones
long and strong way to grow leave in conditioner
Lists fragrance, silicones
Olaplex
N°.3PLUS COMPLETE REPAIR TREATMENT FULL SIZE
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, coconut derivatives
Olaplex
N°.3PLUS COMPLETE REPAIR TREATMENT JUMBO SIZE
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, coconut derivatives
Olaplex
Nº.5 BOND MAINTENANCE STRENGTHENING CONDITIONER FULL SIZE
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones, chemical UV filters
Olaplex
Nº.5 BOND MAINTENANCE STRENGTHENING CONDITIONER JUMBO
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones, chemical UV filters
Olaplex
Nº.5 BOND MAINTENANCE STRENGTHENING CONDITIONER LITER
Conditioner · Lists fragrance, fragrance allergens, silicones, chemical UV filters
Olaplex
Nº.5 BOND MAINTENANCE STRENGTHENING CONDITIONER TRAVEL SIZE
Conditioner · Lists fragrance, fragrance allergens, silicones, chemical UV filters
Olaplex
Olaplex No. 5 Bond Maintenance Conditioner
Lists fragrance, fragrance allergens, drying alcohol, sulfates, parabens, silicones, formaldehyde releasers
Dae
Signature Conditioner - Full-Size
Conditioner · Lists fragrance, fragrance allergens, essential oils, silicones, coconut derivatives
Clover
Smoothing Deep Conditioner
Lists fragrance, fragrance allergens
Fekkai
Super Strength+ Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, silicones
Sachajuan
THERMAL PROTECTION SPRAY
Hair styling · Lists fragrance, fragrance allergens, drying alcohol, silicones
PRAVANA
Treat Masque
Conditioner · Lists fragrance, fragrance allergens, parabens, silicones
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