Aveeno Positively Radiant Vitamin C Serum vs Rejuran Moisture Treatment Ampoule

Aveeno

Rejuran

A serum built around Niacinamide and Vitamin C derivative, for barrier repair and smoothing.

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

Serum

18 ingredients

28 ingredients

Brand price

Not recorded · brand's site

Brand price

USD 39.00 · checked 28 Sept 2026 · brand's site

No retailer listed yet

Brand country not recorded

Brand from South Korea

At a Glance

They come out differently on Fragrance-free, Silicone-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Face oil1
An oil formulated to be used on the face.
Squalane
Vitamin C derivative (stable)1
Stable derivatives of ascorbic acid.
Ascorbyl Glucoside
Colloidal oatmeal1
Finely milled oat — an FDA-recognised skin protectant.
Avena Sativa Kernel Extract
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 60

Ceramide1
Skin-identical lipids that hold the barrier together.
Ceramide NP
Face oil1
An oil formulated to be used on the face.
Squalane
Colloidal oatmeal1
Finely milled oat — an FDA-recognised skin protectant.
Avena Sativa Kernel Extract
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Sodium Hyaluronate

Hydrating5
Boosts hydration and relieves dry, tight skin.
Acetyl Glucosamine, Dimethicone, Dimethiconol, Glycerin, Squalane
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Avena Sativa Kernel Extract, Dimethicone, Dimethiconol, Glycerin, Isopropyl Myristate, Niacinamide, Squalane
Reduces Irritation1
Eases discomfort and supports skin resilience.
Avena Sativa Kernel Extract
Redness Reducing1
Soothes visible redness and calms irritation.
Niacinamide

May Trigger Acne1
Can clog pores or trigger breakouts.
Isopropyl Myristate
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Acetyl Glucosamine, Isopropyl Myristate, Polysorbate 60
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Isopropyl Myristate
May Worsen Oily Skin1
May increase shine or excess oil.
Squalane

May Trigger Acne2
Can clog pores or trigger breakouts.
Oleic Acid, Palmitic Acid
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.
Oleic Acid, Palmitic Acid
May Worsen Oily Skin1
May increase shine or excess oil.
Squalane

Show highlights for:

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
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Acetyl Glucosamine
Skin Conditioning
- Fatty alcohols (Malassezia)
- Dark Spots
- Hydrating
- May Worsen Seborrheic Dermatitis
Pentylene Glycol (in both products)
Skin Conditioning
0-1 / —
Dimethicone
Emollient
1 / 0
- Silicones
- Barrier Repair
- Hydrating
- Smoothing
Ascorbyl Glucoside
Antioxidant
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
Avena Sativa Kernel Extract (in both products)
Emollient
- Colloidal oatmeal
- Barrier Repair
- Reduces Irritation
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion Stabilising
Sodium Hydroxide
Buffering
0 / —

Water (in both products)
Skin Conditioning
Butylene Glycol
Humectant
1 / 0
- Hydrating
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Dipropylene Glycol
Perfuming
0-1 / —
Aloe Barbadensis Leaf Juice
Skin Conditioning
- Hydrating
- Reduces Irritation
Sodium Hyaluronate
Humectant
0 / 0
- Hyaluronic acid
- Hydrating
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Calendula Officinalis Extract
Skin Conditioning
Cucumis Sativus Fruit Extract
Emollient
Avena Sativa Kernel Extract (in both products)
Emollient
- Colloidal oatmeal
- Barrier Repair
- Reduces Irritation

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 →
Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →
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 →
Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →
Avena Sativa Kernel Extract
Abrasive, Antioxidant, Skin Conditioning, Emollient
Avena Sativa Kernel Extract is colloidal oatmeal.
Learn more about Avena Sativa Kernel Extract →
Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →
Squalane
Hair Conditioning, Refatting, Skin Conditioning, Emollient
Squalane is a face oil.
Learn more about Squalane →
Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →