Discoloration Defense Sérum
Toner
Updated 11 Dec 2025

Discoloration Defense Sérum

SkinCeuticals
14Ingredients
0EU Banned
0Caution
0.2/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.2/5Comedogenic
Pregnancy SafeNo flagged ingredients
Allergen-freeNo fragrance allergens
50% Natural43% synthetic

Ingredient Chemistry

pH

pH Efficacy

pH Efficacy

pH 4.7 — Effective
4.7
0Neutral 714
pH estimated from category & ingredients: 4.7
Active ingredients: Niacinamide, Tranexamic Acid
Niacinamide at pH 4.7: acceptable but not ideal (5–7 is best)
Tranexamic Acid at pH 4.7: optimal range (3.5–5.5)
Detected actives & ideal pH
NiacinamidepH 5–7
Tranexamic AcidpH 3.5–5.5

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
Confirmed Inferred Unknown Not compliant

Composition

50% natural43% synthetic
7 natural 1 unknown 6 synthetic

Based on 14 ingredients analyzed. 50% natural, 7% unknown and 43% synthetic.

Preservatives1 preservative

Functions Overview (14)

skin conditioning4:Niacinamide, Hydroxyethyl Urea, Tranexamic Acid, Caprylyl Glycol
humectant3:Butylene Glycol, Glycerin, Hydroxyethyl Urea
hair conditioning2:Hydroxyethyl Urea, Caprylyl Glycol

Texture & Feel

Texture & Feel

Expected texture
Watery liquid — absorbs instantly, may feel slightly sticky if glycerin-rich
SpreadabilityVery easy
AbsorptionVery fast
Tackiness / ResidueLight
Finish:Fresh, weightless — absorbs completely leaving no residue

Watery, refreshing — absorbs in seconds with no residue. Slight initial tackiness that fades into a hydrated dewy finish.