Regena C30 Pro Vitamin C Serum

Facetheory

Where to buy Possibly in stock

About this product

The Facetheory Regena C30 Pro Vitamin C Serum is a serums, essence, ampoule. Our analysis of its 5 ingredients (3 low-risk) rates it Excellent (100/100).

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
5
Low-risk
3
Fragrance
Fragrance-free
Origin
United Kingdom

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 0/1
Caution for dry skin
Olive Oil Polyglyceryl-4 Esters
Oily/Acne-Prone Skin No data
Sensitive Skin No data

Ingredients list

5 total
Lower hazard (1) Higher hazard (1)
All5 Skin Conditioning4 Hair Conditioning2 Solvent1 Viscosity Decreasing Agent1 Viscosity Controlling1 Surfactant1 Film Forming1
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning)
Olive Oil Polyglyceryl-4 Esters
(Surfactant)
1
Dibutyl Lauroyl Glutamide
(Hair Conditioning, Skin Conditioning, Film Forming)
1
Dibutyl Ethylhexanoyl Glutamide
(Hair Conditioning, Skin Conditioning)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Vitamin C
Brightens, evens tone, and supports collagen.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
BrighteningRestores radiance to dull, tired skin.
Reduces Large PoresMinimizes the look of enlarged pores.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
Skin TextureSmooths rough patches and refines texture.
Barrier RepairStrengthen and restore your skin's natural barrier.
Show all 7 benefits

Concerns

May not suit dry skin

Ingredients explained

Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
3-O-ETHYL ASCORBIC ACID
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Olive Oil Polyglyceryl-4 Esters
Surfactant
Limited public safety data.Read moreShow less
EWG N/A Surfactant
Dibutyl Lauroyl Glutamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningFilm forming
Dibutyl Ethylhexanoyl Glutamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
No flagged concerns — nice!

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning works well: Antioxidants like vitamin C pair well with daytime use under sunscreen.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

3-O-ETHYL ASCORBIC ACID

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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