Paula's Choice
Hyaluronic Acid BoosterThe Inkey List
10% Azelaic Acid Serum for Redness ReliefA serum built around Hyaluronic acid and Ceramide, for hydration and barrier repair.
A serum built around Azelaic acid, for pollution defence and hydration.
Brand price
USD 39.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 20.00 · checked 26 Sept 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

Ceramide3
Skin-identical lipids that hold the barrier together.

Benefits

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 Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Ceramide AP, Ceramide EOP, Ceramide NP, Phytosphingosine, Polysorbate 20, Sodium Lauroyl Lactylate
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

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
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion Stabilising
Fragrance
Ethylhexylglycerin (in both products)
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.
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 →Sodium Hydroxide
Buffering, Denaturant
Sodium hydroxide
Learn more about Sodium Hydroxide →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →
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