Turnover Ampoule
Vitamin C Boosting Serum

Rejuran

Turnover Ampoule

Dr.Althea

Vitamin C Boosting Serum

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

A serum built around Centella asiatica and Niacinamide, for hydration and barrier repair.

Serum
Serum
25 ingredients
43 ingredients

Brand price

USD 52.00 · checked 28 Sept 2026 · brand's site

Brand price

USD 23.90 · checked 26 Sept 2026 · brand's site

No retailer listed yet
No retailer listed yet
Brand from South Korea
Brand from South Korea

At a Glance

They come out differently on EU-allergen-free, Pore-clogger-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

  • Vitamin E1

    Tocopherols — fat-soluble antioxidants.

    Tocopheryl Acetate

  • Alpha arbutin1

    A gentler glycosylated relative of hydroquinone.

    Arbutin

  • Polysorbates (Tween emulsifiers)1

    Polysorbate (Tween) emulsifiers.

    Polysorbate 20

  • Hyaluronic acid1

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

    Sodium Hyaluronate

  • Ceramide1

    Skin-identical lipids that hold the barrier together.

    Ceramide NP

  • Vitamin E1

    Tocopherols — fat-soluble antioxidants.

    Tocopherol

  • Vitamin C (L-ascorbic acid)1

    L-ascorbic acid, the unesterified form of vitamin C.

    Ascorbic Acid

  • Alpha arbutin1

    A gentler glycosylated relative of hydroquinone.

    Alpha-Arbutin

Benefits

Concerns

  • May Trigger Acne1

    Can clog pores or trigger breakouts.

    Hexylene Glycol

  • May Worsen Seborrheic Dermatitis1

    May feed the yeast involved in seborrheic dermatitis.

    Polysorbate 20

  • May Worsen Keratosis Pilaris1

    May clog follicles or strip skin prone to keratosis pilaris.

    Hexylene Glycol

  • May Worsen Irritation1

    May cause stinging, redness or sensitivity.

    Benzyl Alcohol

Ingredients Side-by-side

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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 →

  • Niacinamide

    Smoothing

    Niacinamide is niacinamide.

    Learn more about Niacinamide →

  • Sodium Hyaluronate

    Humectant, Skin Conditioning

    Sodium Hyaluronate is a hyaluronic acid.

    Learn more about Sodium Hyaluronate →

  • Xanthan Gum

    Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling

    Xanthan gum

    Learn more about Xanthan Gum →

  • Carbomer

    Emulsion Stabilising, Gel Forming, Viscosity Controlling

    2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether

    Learn more about Carbomer →

  • Bisabolol

    Fragrance, Skin Conditioning, Soothing

    (R*,R*)-.alpha.,4-dimethyl-.alpha.-(4-methyl-3-pentenyl)cyclohex-3-ene-1-methanol; 3-Cyclohexene-1-methanol, alpha,4-dimethyl-alpha-(4-methyl-3-pentenyl)-, (theta,theta)-(+/-)-; 3-Cyclohexene-1-methanol, alpha,4-dimethyl-alpha-(4-methyl-3-pentenyl)-, (S-(theta,theta))- (levomenol)

    Learn more about Bisabolol →

  • Adenosine

    Skin Conditioning

    6-Amino-9-beta-D-ribofuranosyl-9H-purine

    Learn more about Adenosine →

  • Ethylhexylglycerin

    Deodorant, Skin Conditioning

    Ethylhexylglycerin is the organic compound that conforms to the formula

    Learn more about Ethylhexylglycerin →

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