Skin Republic Vitamin C 6% Serum 30ml
Serum

Skin Republic Vitamin C 6% Serum 30ml

Skin
7Ingredients
0EU Banned
3Caution
0.1/5Comedogenic
Pregnancy Risk1 ingredient flagged
0.1/5Comedogenic
Pregnancy Risk1 ingredient flagged
Mod. Allergens3 fragrance allergens
86% Natural14% synthetic
Ingredient Analysis

Key Ingredients

Regulatory FlagsSubstances flagged under EU & US cosmetics regulation
Banned — Prohibited in cosmetics. These substances cannot be used in any product sold in this jurisdiction.
Caution — Restricted use. Allowed only within specific concentration limits or product types (EU Annex III).
Under Review — Under evaluation by scientific committees. May be restricted or banned in the future.
Fragrance Allergen — Must be declared on the label when above threshold concentrations (EU Cosmetics Regulation).
Data sourced from the European Commission CosIng database.

Contains Regulated Ingredients

EU Restricted Ingredients

These ingredients are permitted in the EU but subject to concentration limits, usage conditions, or mandatory labelling requirements under Annex III of the EU Cosmetics Regulation.

Citrus Limon Peel Oil
Product types:All cosmetic products
Conditions:The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds:— 0,001 % in leave-on products— 0,01 % in rinse-off products.
Limonene
Product types:All cosmetic products
Conditions:The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products. The peroxide value for each substance shall be less than 20 mmoles/L (This limit applies to the substance and not to the finished cosmetic product).
CitralMax 65.0%
Max concentration:65.0%
Product types:(a) Lip make-up products, lipstick, lip salves(b) Deodorants and antiperspirants(c) Eye products, face make-up and make-up remover(d) Fragrance products (hydroalcoholic and non-hydroalcoholic, spray and non-spray)(e) Leave-on skin products (except lip products, deodorants and antiperspirants, fragrance products, eye products, face make-up and make-up remover) and nail products(f) Oral products(g) Hair leave-on products(h) Skin and hair rinse-off products(i) Leave-on products for the anogenital area (baby wipes and intimate wipes)
Conditions:The presence of the substance or substances shall be indicated as ‘Citral’ in the list of ingredients referred to in Article 19(1), point (g), when the concentration of the substance or substances exceeds:— 0,001 % in leave-on products— 0,01 % in rinse-off products.
What does "EU Restricted" mean?

Restricted ingredients are not banned — they are allowed in cosmetic products as long as specific conditions are met:

  • Concentration limits — maximum allowed percentage in the final product
  • Product type restrictions — some ingredients are only allowed in rinse-off or leave-on products
  • pH restrictions — the finished product must stay within a specific pH range
  • Mandatory labelling — certain allergens must be listed on the packaging
  • Usage conditions — must not be combined with certain other ingredients

These limits are based on the EU CosIng database (Annex III) and are updated regularly. Products sold in the EU must comply with all applicable restrictions.

Ingredient Chemistry

pH

pH Efficacy

pH Efficacy

pH 4.8 — Suboptimal
4.8
0Neutral 714
pH estimated from category & ingredients: 4.8
Active ingredients: L-Ascorbic Acid, Niacinamide
L-Ascorbic Acid at pH 4.8: likely ineffective — above 4
Niacinamide at pH 4.8: acceptable but not ideal (5–7 is best)
L-Ascorbic Acid is at pH 4.8, which is too high for optimal efficacy (2.5–3.5).
Detected actives & ideal pH
L-Ascorbic AcidpH 2.5–3.5
NiacinamidepH 5–7

Microbiome

Composition & Ethics

Product Details

Attributes

Ethics
VeganLikely
No animal-derived ingredients detected
Cruelty-FreeUnknown
No brand statement — contact manufacturer
Safety
Fragrance-FreeContains fragrance
Contains fragrance/parfum
Key Actives
Contains Vitamin CConfirmed
Contains vitamin C derivative
Vitamin C SerumConfirmed
Niacinamide SerumConfirmed
Minimalist Formula7 ingredients
Confirmed Inferred Unknown Not compliant

Composition

86% natural14% synthetic
6 natural 1 synthetic

Based on 7 ingredients analyzed. 86% natural and 14% synthetic.

Active ingredients3 actives
Fragrance2 essential oils

Functions Overview (5)

group of stereoisomers2:Propylene Glycol, Citral
type of chemical entity2:Ascorbic Acid, Vitamin C

Texture & Feel

Texture & Feel

Expected texture
Lightweight, watery liquid that spreads easily
SpreadabilityEasy
AbsorptionFast
Tackiness / ResidueVery low
Finish:Luminous / radiant — subtle light-reflecting glow

Standard cosmetic feel — no unusual sensory characteristics detected.