Sodium Lactate
INCI: Sodium Lactate
Also known as: Lactate salt
SoothinghumectantbiotechModerate evidencePregnancy safe
72
Skinlumis Rating
Comedogenic
0/5
Irritancy
0/5
Best applied
Both
Effective range
1%–5%
How It Works
The sodium salt of lactic acid, a major component of the skin's natural moisturising factor.
Hygroscopic NMF component that maintains stratum corneum hydration.
pH Range
4.0–7.0
Benefits
- Restores NMF
- Hydrating
- Buffers pH
Proven For
What the evidence supports.
Dehydration
Best For
- All skin types
Avoid If
No notable contraindications reported.
Layering Order
4/10
Mid-routine serum or treatment step.
Max Safe Concentration
5%
Concentration range in well-formulated products: 1%–5%
Seasonal Use
Year-round.
Nutrition Connection
Found in fermented dairy.
Skin Signals When You Need It
No specific deficiency signals tracked for this ingredient.
For Estheticians & Professionals
Excellent humectant for NMF-depleted aging skin.
Clinical Evidence
The research behind Sodium Lactate.
Every claim on this page traces to published research. Findings below are drawn from randomized trials and systematic reviews, each links to the study on PubMed.
Randomized Controlled Trial
Nano-hyaluronic acid significantly improved skin hydration and elasticity after 8 weeks.
Jegasothy SM, Zabolotniaia V, Bielfeldt S
Journal of Clinical and Aesthetic Dermatology, 2014
View Study →Journal of Clinical and Aesthetic Dermatology, 2014
Pairs Well With
Conflicts With
No flagged conflicts. Still, patch-test new actives.
Your Skin Compatibility
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