The Inkey List
Hyaluronic Acid SerumNeutrogena
Hydro Boost Hydrating SerumA serum built around Hyaluronic acid, for hydration and anti-aging.
A serum built around Lactic acid and Hyaluronic acid, for hydration and barrier repair.
Brand price
USD 23.00 · checked 26 Sept 2026 · brand's site
Brand price
Not recorded · brand's site
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At a Glance
They come out differently on Fragrance-free, EU-allergen-free, Silicone-free and Cruelty-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Peptides2
Short amino-acid chains used as signalling actives.
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating6
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Glycerin, Hyaluronic Acid, Propanediol, Sodium Hyaluronate, Sodium Lactate
Anti-Aging2
Softens lines and helps skin look youthful.
Hydrating9
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Dimethicone, Dimethiconol, Glycerin, Propylene Glycol, Sodium Hyaluronate, Sodium Lactate, Sodium PCA, Sorbitol
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Cetearyl Olivate, Copper Gluconate, Dimethicone, Dimethiconol, Glycerin, Isododecane, Neopentyl Glycol Diheptanoate, Propylene Glycol
Concerns
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Polysorbate 20
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cetearyl Olivate, Sorbitan Olivate
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Water (in both products)
Skin Conditioning
Emollient
Emollient
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Ammonium Acryloyldimethyltaurate/Vp Copolymer
Viscosity Controlling
Ammonium Acryloyldimethyltaurate/VP Copolymer is a copolymer of ammonium acryloyldimethyltaurate and vinylpyrrolidone monomers
Learn more about Ammonium Acryloyldimethyltaurate/Vp Copolymer →Sodium Lactate
Buffering, Humectant, Keratolytic
Sodium Lactate is lactic acid.
Learn more about Sodium Lactate →
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