4D Hyaluronic Acid Hydrating Serum

Brand price

AUD 21.90 · checked 5 Oct 2026 · on the brand's site

From the brand

What the brand says about this product. Our ingredient analysis follows below.

Key Ingredients

• Ceramide3

  Skin-identical lipids that hold the barrier together.

  Ceramide AP, Ceramide EOP, Ceramide NP

• Vitamin E1

  Tocopherols — fat-soluble antioxidants.

  Tocopherol

• Panthenol (provitamin B5)1

  Provitamin B5 — a humectant and soother.

  Panthenol

• Colloidal oatmeal1

  Finely milled oat — an FDA-recognised skin protectant.

  Avena Sativa Kernel Extract

• Hyaluronic acid2

  Hyaluronic acid and its salts; a humectant that binds water to the skin.

  Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer

• Peptides2

  Short amino-acid chains used as signalling actives.

  Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1

Benefits

• Hydrating15

  Boosts hydration and relieves dry, tight skin.

  Betaine, Ceramide AP, Ceramide EOP, Ceramide NP, Glycerin, Glyceryl Acrylate/Acrylic Acid Copolymer, Glyceryl Glucoside, Maris Aqua, Panthenol, Propylene Glycol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium PCA, Tocopherol

• Barrier Repair12

  Strengthens and restores the skin's natural barrier.

  Allantoin, Avena Sativa Kernel Extract, Betaine, Ceramide AP, Ceramide EOP, Ceramide NP, Cholesterol, Glycerin, Laminaria Digitata Extract, Panthenol, Propylene Glycol, Tocopherol

• Reduces Irritation4

  Eases discomfort and supports skin resilience.

  Allantoin, Avena Sativa Kernel Extract, Palmitoyl Tetrapeptide-7, Panthenol

• Redness Reducing1

  Soothes visible redness and calms irritation.

  Allantoin

• Anti-Aging2

  Softens lines and helps skin look youthful.

  Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1

• Firming2

  Supports elasticity and bounce.

  Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1

• Smoothing3

  Refines rough or uneven texture.

  Allantoin, Avena Sativa Kernel Extract, Cholesterol

• Antioxidant2

  Shields skin from free radical damage.

  Avena Sativa Kernel Extract, Tocopherol

• Anti-Pollution5

  Helps defend against airborne pollutants.

  Allantoin, Avena Sativa Kernel Extract, Glycerin, Laminaria Digitata Extract, Tocopherol

Concerns

• May Trigger Acne1

  Can clog pores or trigger breakouts.

  Tocopherol

• May Worsen Seborrheic Dermatitis12

  May feed the yeast involved in seborrheic dermatitis.

  Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ceramide AP, Ceramide As, Ceramide EOP, Ceramide NP, Ceramide Ns, Cetyl-Pg Hydroxyethyl Palmitamide, Hydrogenated Lecithin, Palmitoyl Pentapeptide-4, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Sodium Acetylated Hyaluronate

• May Worsen Keratosis Pilaris1

  May clog follicles or strip skin prone to keratosis pilaris.

  Tocopherol

• May Worsen Irritation1

  May cause stinging, redness or sensitivity.

  Tocopherol

Dupes

• Torriden DIVE IN Serum63% match
• Isntree Ultra-Low Molecular Hyaluronic Acid Serum63% match
• Isntree Gim PDRN Hydro Bouncy Ampoule61% match
• Arencia Deep Water Surge Serum61% match
• Arencia Deep Water Surge Overnight Serum 3060% match