Rejuran
Moisture Treatment AmpouleA serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
A serum built around Hyaluronic acid and Niacinamide, for barrier repair and hydration.
Brand price
USD 22.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 39.00 · checked 28 Sept 2026 · brand's site

At a Glance

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

Key Ingredients

Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.

Benefits

Hydrating16
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Collagen, Collagen Water, Glycereth-26, Glycerin, Hydrolyzed Collagen, Polyglutamic Acid, Polyglycerin-3, Propanediol, Sodium Hyaluronate, Soluble Collagen, Squalane, Tocopherol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Caprylic/Capric Triglyceride, Ceramide NP, Cetearyl Olivate, Glycerin, Hydrolyzed Collagen, Niacinamide, Panax Ginseng Root Extract, Squalane, Tocopherol
Hydrating7
Boosts hydration and relieves dry, tight skin.
Aloe Barbadensis Leaf Juice, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Glycerin, Sodium Hyaluronate, Squalane
Barrier Repair10
Strengthens and restores the skin's natural barrier.
Avena Sativa Kernel Extract, Caprylic/Capric Triglyceride, Ceramide NP, Cholesterol, Cucumis Sativus Fruit Extract, Glycerin, Niacinamide, Oleic Acid, Palmitic Acid, Squalane
Reduces Irritation2
Eases discomfort and supports skin resilience.

Concerns

May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Ceramide NP, Cetearyl Olivate, Hydrogenated Lecithin, Polyglyceryl-10 Laurate, Sorbitan Olivate
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Ceramide NP, Hydrogenated Lecithin, Inulin Lauryl Carbamate, Oleic Acid, Palmitic Acid
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
1,2-Hexanediol (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Water (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
Emollient
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 →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Squalane
Hair Conditioning, Refatting, Skin Conditioning, Emollient
Squalane is a face oil.
Learn more about Squalane →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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