The Shampoo
Shampoo
Updated 10 Dec 2025

The Shampoo

Nécessaire
21Ingredients
0EU Banned
0Caution
0.4/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.4/5Comedogenic
Pregnancy SafeNo flagged ingredients
Allergen-freeNo fragrance allergens
52% Natural48% synthetic

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, Glycolic Acid
Niacinamide at pH 5.6: optimal range (5–7)
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
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
Sulfate-FreeLikely
No sulfates detected
Fragrance-FreeLikely
No fragrance ingredients detected
Confirmed Inferred Unknown Not compliant

Composition

52% natural48% synthetic
11 natural 10 synthetic

Based on 21 ingredients analyzed. 52% natural and 48% synthetic.

Surfactants2 surfactants
Surfactant typeGentle
Preservatives1 preservative

Functions Overview (15)

Texture & Feel

Texture & Feel

Expected texture
Gel-like consistency that lathers into a rich foam on contact with water
SpreadabilityEasy
AbsorptionFast
Tackiness / ResidueLight
Finish:Clean, manageable hair — not a skin finish

Lather and slip — designed for even distribution through hair strands. Slight initial tackiness that fades into a hydrated dewy finish.