Olaplex Nº.9 Bond Protector Nourishing Hair Serum Versus Amika Water Sign Hydrating Hair Oil
Updated on May 21, 2025
Overview
What they are
These products are both vegan, cruelty-free, and reef safe . They have a total of 0 ingredients in common
Cool Features
They both contain hyaluronic acid
Suited For
They're both likely to be good for dry skin, sensitive skin, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, parabens, silicones or sulfates
What's Inside
They both contain fragrances
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Olaplex Nº.9 Bond Protector Nourishing Hair Serum 31 ingredients
Amika Water Sign Hydrating Hair Oil 28 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
Olaplex Nº.9 Bond Protector Nourishing Hair Serum 31 ingredients
Amika Water Sign Hydrating Hair Oil 28 ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningPropanediol
Solvent
Betaine
Humectant
Quaternium-22
Bis-Aminopropyl Diglycol Dimaleate
Skin ConditioningSodium Hyaluronate
Humectant
Cetrimonium Chloride
Antimicrobial
Panthenol
Skin Conditioning
Hydroxyethylcellulose
Emulsion StabilisingPvp
Emulsion StabilisingGuar Hydroxypropyltrimonium Chloride
Skin ConditioningFurcellaria Lumbricalis Extract
Skin ConditioningPelvetia Canaliculata Extract
Skin ProtectingXylitylglucoside
Humectant
Polyquaternium-44
Anhydroxylitol
Humectant
Maltitol
HumectantCitric Acid
Buffering
Trisodium Ethylenediamine Disuccinate
Xylitol
Humectant
Ethylhexylglycerin
Skin ConditioningSodium Hydroxide
BufferingSorbic Acid
Preservative
Phenoxyethanol
Preservative
Sodium Benzoate
Masking
Parfum
Masking
Citral
Perfuming
Citronellol
Perfuming
Hexyl Cinnamal
Perfuming
Limonene
Perfuming
Linalool
Perfuming
Water, Propanediol, Betaine, Quaternium-22, Bis-Aminopropyl Diglycol Dimaleate, Sodium Hyaluronate, Cetrimonium Chloride, Panthenol, Hydroxyethylcellulose, Pvp, Guar Hydroxypropyltrimonium Chloride, Furcellaria Lumbricalis Extract, Pelvetia Canaliculata Extract, Xylitylglucoside, Polyquaternium-44, Anhydroxylitol, Maltitol, Citric Acid, Trisodium Ethylenediamine Disuccinate, Xylitol, Ethylhexylglycerin, Sodium Hydroxide, Sorbic Acid, Phenoxyethanol, Sodium Benzoate, Parfum, Citral, Citronellol, Hexyl Cinnamal, Limonene, Linalool
Prunus Amygdalus Dulcis Oil
Skin Conditioning
Ricinus Communis Seed Oil
Masking
Mangifera Indica Seed Butter
Skin Conditioning
Simmondsia Chinensis Seed Oil
Emollient
Squalane
Emollient
Lauryl Laurate
Skin Conditioning
Argania Spinosa Kernel Oil
Emollient
Hippophae Rhamnoides Fruit/Seed Oil
Antimicrobial
Brassica Campestris Seed Oil
Skin Conditioning
Sesamum Indicum Seed Oil
Emollient
Cocos Nucifera Oil
Masking
Sodium Hyaluronate
Humectant
Spirulina Platensis Extract
Skin ProtectingEmblica Officinalis Fruit Extract
Skin ConditioningCurcuma Longa Root Extract
Masking
Oryza Sativa Bran Extract
Skin Conditioning
Rosmarinus Officinalis Leaf Extract
AntimicrobialHelianthus Annuus Extract
Emollient
Glycerin
Humectant
PEG-8 Caprylic/Capric Glycerides
EmulsifyingOctyldodeceth-25
CleansingWater
Skin ConditioningCocos Nucifera Water
Masking
Tocopherol
Antioxidant
Phenoxyethanol
Preservative
Propylene Glycol
Humectant
Decylene Glycol
Skin ConditioningParfum
Masking
Prunus Amygdalus Dulcis Oil, Ricinus Communis Seed Oil, Mangifera Indica Seed Butter, Simmondsia Chinensis Seed Oil, Squalane, Lauryl Laurate, Argania Spinosa Kernel Oil, Hippophae Rhamnoides Fruit/Seed Oil, Brassica Campestris Seed Oil, Sesamum Indicum Seed Oil, Cocos Nucifera Oil, Sodium Hyaluronate, Spirulina Platensis Extract, Emblica Officinalis Fruit Extract, Curcuma Longa Root Extract, Oryza Sativa Bran Extract, Rosmarinus Officinalis Leaf Extract, Helianthus Annuus Extract, Glycerin, PEG-8 Caprylic/Capric Glycerides, Octyldodeceth-25, Water, Cocos Nucifera Water, Tocopherol, Phenoxyethanol, Propylene Glycol, Decylene Glycol, Parfum
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Olaplex Nº.9 Bond Protector Nourishing Hair Serum 31 ingredients
Amika Water Sign Hydrating Hair Oil 28 ingredients
Reviews
Here's what our community thinks
