Vitamin C Serum
Serum

Vitamin C Serum

Roushun Beauty
16Ingredients
0EU Banned
1Caution
0.5/5Comedogenic
Pregnancy Risk1 ingredient flagged
Last updated10 Dec 2025
0.5/5Comedogenic
Pregnancy Risk1 ingredient flagged
Allergen-freeNo fragrance allergens
63% Natural38% synthetic

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.

Alpha-Arbutin
Restricted — see EU CosIng Annex III
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 5.0 — Suboptimal
5.0
0Neutral 714
pH estimated from category & ingredients: 5.0
Active ingredients: Alpha-Arbutin, Glycolic Acid
Alpha-Arbutin at pH 5: optimal range (4–6.5)
Glycolic Acid at pH 5: likely ineffective — above 4.5
Glycolic Acid is at pH 5, which is too high for optimal efficacy (3–4).
Detected actives & ideal pH
Alpha-ArbutinpH 4–6.5
Glycolic AcidpH 3–4

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
Exfoliating SerumConfirmed
Brightening SerumConfirmed
Confirmed Inferred Unknown Not compliant

Composition

63% natural37% synthetic
10 natural 6 synthetic

Based on 16 ingredients analyzed. 63% natural and 37% synthetic.

Preservatives1 preservative
FragranceContains added fragrance

Functions Overview (15)

Texture & Feel

Texture & Feel

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

Standard cosmetic feel — no unusual sensory characteristics detected.