Os-01 Topical Skin Supplement
Toner

Os-01 Topical Skin Supplement

One Skin
31Ingredients
0EU Banned
0Caution
0.5/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.5/5Comedogenic
Pregnancy SafeNo flagged ingredients
Allergen-freeNo fragrance allergens
58% Natural42% synthetic
Ingredient Analysis

Key Ingredients

Proven ActivesBeneficial ingredients with clinical evidence
WaterEXCELLENTGlycerinEXCELLENTCalycophyllum Spruceanum Bark Oleic ExtractOlive-Derived EmulsifierEXCELLENTOlive-Derived EmulsifierEXCELLENTSqualane (Olive-Derived Emollient)EXCELLENT

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
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

58% natural42% synthetic
18 natural 13 synthetic

Based on 31 ingredients analyzed. 58% natural and 42% synthetic.

Preservatives3 preservatives

Functions Overview (15)

skin conditioning7:Calycophyllum Spruceanum Bark Oleic Extract, Carapa Guaianensis Seed (Andiroba) Oil, Vitis Vinifera (Grape) Seed Oil, Sodium Hyaluronate Crosspolymer, Niacinamide, Cetyl Palmitate, Caprylyl Glycol
type of chemical entity5:Sodium Hyaluronate, Allantoin, Tocopheryl Acetate, Potassium Sorbate, Sorbic Acid
hair conditioning4:Cetearyl Olivate, Carapa Guaianensis Seed (Andiroba) Oil, Prunus Domestica (Plum) Seed Oil, 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.