The Inkey List
Hyaluronic Acid SerumPaula's Choice
Hyaluronic Acid BoosterA serum built around Hyaluronic acid, for hydration and anti-aging.
A serum built around Hyaluronic acid and Ceramide, for hydration and barrier repair.
Brand price
USD 23.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 39.00 · checked 8 Oct 2026 · brand's site

At a Glance

Every check both products could be assessed on comes out the same. 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.
Ceramide3
Skin-identical lipids that hold the barrier together.

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.
Hydrating8
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Ceramide AP, Ceramide EOP, Ceramide NP, Glycerin, Hyaluronic Acid, Panthenol, Sodium Hyaluronate
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Ceramide AP, Ceramide EOP, Ceramide NP, Cholesterol, Glycerin, Panthenol, Phytosphingosine, Yeast Extract

Concerns

May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Polysorbate 20
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Ceramide AP, Ceramide EOP, Ceramide NP, Phytosphingosine, Polysorbate 20, Sodium Lauroyl Lactylate

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Water (in both products)
Skin Conditioning
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- Hydrating
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- Hydrating
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- Hydrating
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty alcohols (Malassezia)
- Barrier Repair
- May Worsen Seborrheic Dermatitis
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 →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →Hyaluronic Acid
Antistatic, Humectant, Moisturising, Skin Conditioning
Hyaluronic Acid is a hyaluronic acid.
Learn more about Hyaluronic Acid →Carbomer
Emulsion Stabilising, Gel Forming, Viscosity Controlling
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
Learn more about Carbomer →Polysorbate 20
Cleansing, Emulsifying
Polysorbate 20 isn't fungal acne safe.
Learn more about Polysorbate 20 →
Similar Comparisons
Each product against its closest dupes.
- View the comparison

The Inkey List
Hyaluronic Acid Serum

Minimalist
Multi-Peptides 10% Face Serum
- View the comparison

Paula's Choice
Hyaluronic Acid Booster

CeraVe
Skin Renewing Vitamin C Serum
- View the comparison

The Inkey List
Hyaluronic Acid Serum

The Ordinary
Matrixyl 10% + HA
- View the comparison

Paula's Choice
Hyaluronic Acid Booster

Paula's Choice
Repairing Serum