Anti-Aging And Oxygenating Facial Serum Hyaluronic Acid + Retinoids
Serum
Updated 10 Dec 2025

Anti-Aging And Oxygenating Facial Serum Hyaluronic Acid + Retinoids

Symbiosis London
58Ingredients
0EU Banned
1Caution
0.3/5Comedogenic
Pregnancy Risk1 ingredient flagged
0.3/5Comedogenic
Pregnancy Risk1 ingredient flagged
Allergen-freeNo fragrance allergens
79% Natural21% 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.

Retinyl Palmitate
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 5.6 — Ineffective
5.6
0Neutral 714
pH estimated from category & ingredients: 5.6
Active ingredients: Niacinamide, Ascorbyl Glucoside, Retinol, Glycolic Acid
Niacinamide at pH 5.6: optimal range (5–7)
Ascorbyl Glucoside at pH 5.6: optimal range (5–7)
Retinol at pH 5.6: optimal range (5–6)
Glycolic Acid at pH 5.6: likely ineffective — above 4.5
Glycolic Acid is at pH 5.6, which is too high for optimal efficacy (3–4).
Detected actives & ideal pH
NiacinamidepH 5–7
Ascorbyl GlucosidepH 5–7
RetinolpH 5–6
Glycolic AcidpH 3–4

Microbiome

Composition & Ethics

Product Details

Attributes

Ethics
VeganNot compliant
Contains Hydrolyzed Collagen
Cruelty-FreeUnknown
No brand statement — contact manufacturer
Safety
Fragrance-FreeContains fragrance
Contains fragrance/parfum
Key Actives
Contains RetinolConfirmed
Contains vitamin A derivative
Contains Vitamin CConfirmed
Contains vitamin C derivative
Vitamin C SerumConfirmed
Hyaluronic Acid SerumConfirmed
Retinol / Vitamin AConfirmed
Niacinamide SerumConfirmed
Exfoliating SerumConfirmed
Confirmed Inferred Unknown Not compliant

Composition

79% natural21% synthetic
46 natural 12 synthetic

Based on 58 ingredients analyzed. 79% natural and 21% synthetic.

Active ingredients3 actives
Preservatives1 preservative
FragranceContains added fragrance
Silicones1 silicone

Functions Overview (15)

Texture & Feel

Texture & Feel

Expected texture
Viscous, serum-like — slightly "thick water" feel
SpreadabilityVery easy
AbsorptionFast
Tackiness / ResidueVery low
Finish:Soft matte — natural-looking, shine-controlled

Silicones create a smooth, velvety "slip" with a blurring sensory effect. Slight initial tackiness that fades into a hydrated dewy finish.