Kiehl's Ultra Pure High-Potency Serum with 1.5% Hyaluronic Acid vs The Ordinary Hyaluronic Acid 2% + B5 (Original Formulation)

Kiehl's

The Ordinary

A serum built around Hyaluronic acid, for hydration and barrier repair.

A serum built around Hyaluronic acid and Panthenol, for hydration and barrier repair.

Serum

7 ingredients

17 ingredients

Brand price

INR 3200.00 · checked 8 Oct 2026 · brand's site

Brand price

USD 8.01 · checked 25 Sept 2026 · brand's site

No retailer listed yet

Brand country not recorded

Brand from Canada

At a Glance

They come out differently on Fungal-acne-safe and Cruelty-free; those rows are shaded. Tap any answer to see why.

AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Sodium Hyaluronate

Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer

Hydrating2
Boosts hydration and relieves dry, tight skin.
Glycerin, Sodium Hyaluronate
Barrier Repair1
Strengthens and restores the skin's natural barrier.
Glycerin
Smoothing1
Refines rough or uneven texture.
Citric Acid
Exfoliating1
Lifts dead surface cells to smooth texture.
Citric Acid

Hydrating6
Boosts hydration and relieves dry, tight skin.
Ethoxydiglycol, Glycerin, Panthenol, Propanediol, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Panthenol
Reduces Irritation1
Eases discomfort and supports skin resilience.
Panthenol
Smoothing2
Refines rough or uneven texture.
Caprylyl Glycol, Citric Acid

No concerns found

May Trigger Acne1
Can clog pores or trigger breakouts.
Hexylene Glycol
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Isoceteth-20
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Hexylene Glycol

Show highlights for:

Aqua (in both products)
Solvent
0 / —
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Sodium Hyaluronate (in both products)
Humectant
0 / 0
- Hyaluronic acid
- Hydrating
Phenoxyethanol (in both products)
Preservative
0 / —
Chlorphenesin
Preservative
0 / —
Tetrasodium Glutamate Diacetate
Chelating
0 / —
Citric Acid (in both products)
Buffering
0 / —
- AHA
- Exfoliating
- Smoothing

Aqua (in both products)
Solvent
0 / —
Sodium Hyaluronate (in both products)
Humectant
0 / 0
- Hyaluronic acid
- Hydrating
Pentylene Glycol
Skin Conditioning
0-1 / —
Propanediol
Viscosity Controlling
0-1 / —
- Hydrating
Sodium Hyaluronate Crosspolymer
Humectant
- Hyaluronic acid
- Hydrating
Panthenol
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Ahnfeltia Concinna Extract
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Trisodium Ethylenediamine Disuccinate
Chelating
Citric Acid (in both products)
Buffering
0 / —
- AHA
- Exfoliating
- Smoothing

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Aqua
Solvent
Water
Learn more about Aqua →
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 →
Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →
Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →
Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →