Little Etoile Hydra-Lock Serum 30ml
Serum

Little Etoile Hydra-Lock Serum 30ml

Little
20Ingredients
0EU Banned
0Caution
0.6/5Comedogenic
Pregnancy SafeNo flagged ingredients
0.6/5Comedogenic
Pregnancy SafeNo flagged ingredients
Allergen-freeNo fragrance allergens
60% Natural40% synthetic

Ingredient Chemistry

pH

pH Efficacy

pH Efficacy

pH 5.7 — Suboptimal
5.7
0Neutral 714
pH estimated from category & ingredients: 5.7
Active ingredients: Niacinamide, Gluconolactone
Niacinamide at pH 5.7: optimal range (5–7)
Gluconolactone at pH 5.7: likely ineffective — above 5
Gluconolactone is at pH 5.7, which is too high for optimal efficacy (3.5–4.5).
Detected actives & ideal pH
NiacinamidepH 5–7
GluconolactonepH 3.5–4.5

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
Key Actives
Hyaluronic Acid SerumConfirmed
Niacinamide SerumConfirmed
Exfoliating SerumConfirmed
Confirmed Inferred Unknown Not compliant

Composition

60% natural40% synthetic
12 natural 8 synthetic

Based on 20 ingredients analyzed. 60% natural and 40% synthetic.

Active ingredients2 actives
Preservatives2 preservatives
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:Luminous / radiant — subtle light-reflecting glow

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