Prep
Toner
Updated 10 Dec 2025

Prep

One Skin
16Ingredients
0EU Banned
0Caution
0.1/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.1/5Comedogenic
Pregnancy SafeNo flagged ingredients
Allergen-freeNo fragrance allergens
50% Natural50% 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
Niacinamide at pH 4.7: acceptable but not ideal (5–7 is best)
Detected actives & ideal pH
NiacinamidepH 5–7

Microbiome

Composition & Ethics

Product Details

Attributes

Ethics
VeganNot compliant
Contains Lonicera Japonica (Honeysuckle) Flower Extract
Cruelty-FreeUnknown
No brand statement — contact manufacturer
Safety
Fragrance-FreeLikely
No fragrance ingredients detected
Confirmed Inferred Unknown Not compliant

Composition

50% natural50% synthetic
8 natural 8 synthetic

Based on 16 ingredients analyzed. 50% natural and 50% synthetic.

Preservatives2 preservatives

Functions Overview (15)

skin conditioning7:Cocamidopropyl Hydroxysultaine, Disodium Lauryl Sulfosuccinate, Sodium Grapeseedamidopropyl Pg-Dimonium Chloride Phosphate, Caprylyl Glycol, Lonicera Japonica (Honeysuckle) Flower Extract, Niacinamide, Arnica Montana (Arnica Flower) Extract
cleansing4:Sodium Laurylglucosides Hydroxypropylsulfonate, Cocamidopropyl Hydroxysultaine, Disodium Lauryl Sulfosuccinate, Sodium Hydroxypropylphosphate Laurylglucoside Crosspolymer
surfactant - foam boosting4:Sodium Laurylglucosides Hydroxypropylsulfonate, Cocamidopropyl Hydroxysultaine, Disodium Lauryl Sulfosuccinate, Sodium Hydroxypropylphosphate Laurylglucoside Crosspolymer

Texture & Feel

Texture & Feel

Expected texture
Watery liquid — absorbs instantly, may feel slightly sticky if glycerin-rich
SpreadabilityVery easy
AbsorptionVery fast
Tackiness / ResidueVery low
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.