Free shipping on 450 kr | Over 130,000 reviews
NEW Ocuwake Eye Cream EYE1 PRO
    New Formula
    Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
    kinga routine
    Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
    Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
    Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
    kinga routine
    Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
    Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
    New Formula

    Regena C20 Vitamin C Serum

    with 20% Ethyl Ascorbic Acid

    800 kr

    Just some of the reasons you’re going to love Facetheory

    Fastest Delivery: Fri, Apr 26. Free shipping on 800 kr and free returns.

    combination dry dull normal oily pigmentation sensitive uneven-tone

    • Update! This product has now been reformulated with a more advanced form of Vitamin C (Ethyl Ascorbic Acid). The new formula is clear, and even less prone to oxidation due to being anhydrous.
    • Regena C20 is our bestselling Vitamin C serum formulated with 20% Ethyl Ascorbic Acid.
    • Stabilised vitamin C (Ethyl Ascorbic Acid) can help brighten dull skin, reduce the appearance of age spots and hyperpigmentation, and significantly reduce acne bacteria.
    • Ethyl Ascorbic Acid’s lipophilic and hydrophilic properties allow it to be easily absorbed by the skin, making it one of the most stable and efficient forms of ascorbic acid.
    • Free of parabens, silicones, PEGs, SLS, SLES, and mineral oils. Vegan and cruelty-free. Made in the UK.
    • Use on its own or underneath your favourite moisturiser.
    • A 30% version of this serum is now available. Find out more.

    Regena Serum C20 contains 20% stabilised vitamin C (Ethyl Ascorbic Acid) to increase skin firmness, lighten age spots, help fight acne-causing bacteria and brighten skin.

    +Actives
    Recommended for

    Most skin types, including sensitive skin. Can balance sebum production of oily skin.

    Active Ingredients
    Ferulic Acid
    This key element of Japanese and Korean skincare is sourced from rice bran. A powerful antioxidant that helps stabilise actives and prevents damage caused by free radicals.
    Vitamin C (Ethyl Ascorbic Acid)
    Vitamin C is an essential antioxidant that fights acne bacteria, brightens skin, reduces pigmentation and evens skin tone. This product contains ethyl ascorbic acid, an exceptionally efficient and stable form of Vitamin C.
    +Directions
    Shake gently before use. Apply a few drops to clean, damp skin, concentrating on blemishes, fine lines, dark spots and areas of hyperpigmentation.
    +Ingredients
    Propanediol, 3-O-Ethyl Ascorbic Acid, Olive Oil Polyglyceryl-4 Esters, Dibutyl Lauroyl Glutamide, Dibutyl Ethylhexanoyl Glutamide, Ferulic Acid

    This product is free from


    Animal ingredients, benzalkonium chloride, benzophenones/benzophenone derivatives, bisphenol a (BPA), butoxyethanol, BHT, carbomer, coal tar dyes, -cones, ethanolamines (MEA/DEA/TEA), formaldehyde, hydroquinone, liquid petrolatum, methyl cellosolve, methylisothiazolinone, methylchloroisothiazolinone, mercury, mercury compounds, mineral oil, oxybenzone, parabens, paraffin oil, phenoxyethanol, phthalates, polyethylene glycol (PEGs), resorcinol, siloxanes, sodium nitrite, sulfates, thimerosal, triclosan, triclocarban.

    +Data
    ColourClear
    pHN/A
    ContainerAmber glass bottle with dropper that protects actives from UV light.
    Rheology / GlideThin and creamy. Easily absorbed.
    Odour Hints of botanicals and citrus.
    Alcohol-free✔
    Cruelty-free✔
    Vegan ✔
    Paraben-free ✔
    Silicone-free ✔
    Sulphate / SLS free ✔
    +Shipping

    You can choose your delivery options when you pay.  

    SWEDEN DHL (5-7 working days) - 100 kr OR FREE ON ORDERS OVER 450 kr
    Tracked delivery by PostNord - 5-7 working days.  No customs fees required.  
    RETURNS
    If you aren't happy with your product, you can get a refund at any time up to 365 days later without having to return your products. Read more here.

    About Facetheory

    We love the planet

    We make clean skincare with the actives you love - packaged sustainably and priced affordably. We're vegan and cruelty-free (certified by Leaping Bunny).

    70.000

    Over 70,000 reviews

    We've got over 70,000 real customer reviews so you can buy with total confidence.

    Tried and true

    We're so confident in our products that if you don't get better skin we'll give you your money back. You get 365 days to try them out.