Paula's Choice
Hyaluronic Acid BoosterA serum built around Niacinamide and AHA, for hydration and barrier repair.
A serum built around Hyaluronic acid and Ceramide, for hydration and barrier repair.
Brand price
USD 21.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 39.00 · checked 8 Oct 2026 · brand's site

At a Glance

They come out differently on Cruelty-free; that row is shaded. Tap any answer to see why.

Key Ingredients

Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Ceramide3
Skin-identical lipids that hold the barrier together.

Benefits

Hydrating12
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Ceramide NP, Dipotassium Glycyrrhizate, Glycerin, Hyaluronic Acid, Hydrolyzed Collagen, Hydrolyzed Hyaluronic Acid, Leontopodium Alpinum Callus Culture Extract, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Ceramide NP, Cholesterol, Glycerin, Hydrolyzed Collagen, Lecithin, Leontopodium Alpinum Callus Culture Extract, Niacinamide, Tripeptide-1
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 Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Ceramide NP, Lecithin, Palmitoyl Pentapeptide-4, Sodium Acetylated Hyaluronate
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
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
Skin Conditioning
Ethylhexylglycerin (in both products)
Skin Conditioning
Water (in both products)
Skin Conditioning
Ceramide NP (in both products)
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 →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 →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 →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →Cholesterol
Light Stabilizer, Skin Conditioning, Emollient, Emulsifying, Viscosity Controlling
Cholesterol may be plant, synthetic or animal depending on the supplier.
Learn more about Cholesterol →Ceramide NP
Hair Conditioning, Skin Conditioning
Ceramide NP isn't fungal acne safe.
Learn more about Ceramide NP →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →
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The Inkey List
Hyaluronic Acid Serum