Regena C30 Vitamin C Serum
Serum
Updated 10 Dec 2025

Regena C30 Vitamin C Serum

Facetheory
6Ingredients
0EU Banned
0Caution
0.3/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.3/5Comedogenic
Pregnancy SafeNo flagged ingredients
Allergen-freeNo fragrance allergens
83% Natural0% synthetic

Ingredient Chemistry

pH

pH Efficacy

pH Efficacy

pH 4.0 — Suboptimal
4.0
0Neutral 714
pH estimated from category & ingredients: 4.0
Active ingredients: L-Ascorbic Acid, Ascorbyl Glucoside
L-Ascorbic Acid at pH 4: acceptable but not ideal (2.5–3.5 is best)
Ascorbyl Glucoside at pH 4: very acidic — may increase irritation risk
Ascorbyl Glucoside at pH 4 is below the ideal range (5–7).
Detected actives & ideal pH
L-Ascorbic AcidpH 2.5–3.5
Ascorbyl GlucosidepH 5–7

Microbiome

Composition & Ethics

Product Details

Attributes

Ethics
VeganLikely
No animal-derived ingredients detected
Cruelty-FreeUnknown
No brand statement — contact manufacturer
Safety
Fragrance-FreeLikely
No fragrance ingredients detected
Key Actives
Contains Vitamin CConfirmed
Contains vitamin C derivative
Vitamin C SerumConfirmed
Minimalist Formula6 ingredients
Confirmed Inferred Unknown Not compliant

Composition

83% natural0% synthetic
5 natural 1 unknown 0 synthetic

Based on 6 ingredients analyzed. 83% natural, 17% unknown and 0% synthetic.

Active ingredients1 active

Functions Overview (7)

solvent1:Propanediol
viscosity controlling1:Propanediol
antioxidant1:Ethyl Ascorbic Acid

Texture & Feel

Texture & Feel

Expected texture
Lightweight, watery liquid that spreads easily
SpreadabilityEasy
AbsorptionFast
Tackiness / ResidueNone
Finish:Natural finish — neither matte nor dewy

Standard cosmetic feel — no unusual sensory characteristics detected.