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New Formula
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
Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
New Formula
Regena C20 Vitamin C Serum with 20% Ethyl Ascorbic Acid
New Formula

Regena C20 Vitamin C Serum

with 20% Ethyl Ascorbic Acid

€23,74
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€23,74

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

Fastest Delivery: Fri, Dec 09. Returns are free.

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

Ireland Standard (2-4 days tracked) - FREE on orders over €50 (or €3,99 if less)Trackable two working day Republic of Ireland delivery from local courier.

Europe DPD 48 (2 - 4 days tracked) - FREE on orders over €50 (or €3,99 if less)
Trackable two till four working day European delivery by local courier. Get a text within an hour of delivery. Redirect to a neighbour or parcelshop or request to leave in a safe place.
Rest of world (5-10 days) - FREE on orders over €50 (or €9,99 if less)
Tracked delivery. Courier depends on country. International customs charges are generally not payable on orders less than £100 however we cannot be held responsible for any additional charges or delays due to customs inspections in your delivery country.
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.