---
title: "NMF production"
description: "Investigate natural moisturising factor production in epidermal models."
image: "https://cosmetic-labs.com/wp-content/uploads/nmf-service-1200x1200-1.webp"
---
# NMF production

> Investigate natural moisturising factor production in epidermal models.

Source: https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/nmf
Created: 2025-07-04T02:57:07+00:00
Modified: 2026-10-25T10:42:56+00:00
Author: Emilie SCHOL

NMF production | Cosmetic Labs

## What is NMF production?

NMF production testing examines whether ingredients support formation of natural moisturizing factor components in epidermal models. Analysis of amino acids and related water-binding compounds helps distinguish endogenous production from ingredients deposited by a formulation.

### Why do you need this service?
NMF studies compare selected water-binding components and their formation in epidermal models. Distinguish endogenous production from supplied ingredients, altered breakdown and retention before relating the result to hydration.

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Definition
## NMF production
Natural moisturizing factor (NMF) is a mixture of water-binding substances in the stratum corneum. Many components derive from filaggrin breakdown, while others have different sources. This service focuses on their formation in skin-relevant models rather than compositional analysis of a moisturizer alone.

### Component analysis
Differentiated epidermal models or suitable tissue samples can be analyzed by chromatographic methods for selected components. Sampling, extraction, and normalization should be defined consistently across treatments.

Free amino acid profiles
- Pyrrolidone carboxylic acid and urocanic acid where relevant
- Other selected compounds such as lactate or urea
- Filaggrin expression and processing as supporting endpoints

### Distinguishing production from replenishment
A formula containing amino acids or other NMF constituents can increase measured amounts without stimulating endogenous production. Appropriate controls and model design are therefore essential. NMF abundance may also reflect altered breakdown or retention. Functional hydration and barrier measurements can complement the analysis, but a higher component concentration alone does not establish improved barrier recovery or sustained moisturization on human skin.

Applications
## Following NMF components
Chromatographic analysis can compare free amino acids, pyrrolidone carboxylic acid, urocanic acid and other relevant components. Filaggrin expression and processing provide supporting information about an important source of NMF. Ceramides are barrier lipids, not NMF components.

Control sampling, extraction and normalisation across treatments. Formulas containing amino acids or other measured compounds may raise recovered amounts by deposition. A study needs a design that can distinguish replenishment from endogenous production.

Use the results to refine a hydration-related hypothesis and compare candidates. A higher component level does not automatically establish improved barrier recovery, sustained moisturisation, formula stability or a safe use concentration. Human performance claims require relevant outcome evidence.

ExplorationLearn more about Barrier & Hydration MechanismsInvestigate barrier and hydration mechanisms through epidermal lipids, junction proteins, differentiation and water-handling responses in skin models. Explore another Barrier & Hydration Mechanisms page on cosmetic-labs.com.

#### [Skin barrier function efficacy testing](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/barrier-function)
Preclinical skin barrier testing can use Raman microspectroscopy to assess lipid packing in reconstructed human epidermis models. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/barrier-function)
#### [Keratinocyte differentiation](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/epidermal-diff)
Assess epidermal cell maturation and barrier formation using histology, differentiation markers and functional measurements in suitable skin models. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/epidermal-diff)
#### [Calcium gradient maintenance](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/calcium-gradient)
Investigate epidermal calcium distribution using layer-resolved tissue measurements, with cellular imaging addressing related calcium-signalling responses. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/calcium-gradient)
#### [Filaggrin production](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/filaggrin)
Investigate ingredient effects on filaggrin through gene, protein and breakdown-product analysis in epidermal models relevant to skin hydration. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/filaggrin)
#### [Tight-junction proteins](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/tight-junction)
Assess tight-junction proteins such as claudin-1, occludin and ZO-1 in epidermal models alongside functional measurements of junction integrity. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/tight-junction)
#### [Ceramide Synthesis Mechanisms](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/ceramide-synthesis)
Assess ceramide production in epidermal models using lipid profiling and biosynthesis measurements, distinguishing lipid abundance from synthesis rate. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/ceramide-synthesis)
#### [Ceramide Synthesis in Epidermal Models](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/ceramide)
Investigate ceramide production in epidermal cells or tissue models using lipid profiling and pathway measurements, separately from surface deposition. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/ceramide)
#### [Intercellular lipid order](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/lipid-organization)
Assess stratum corneum lipid packing and lamellar organisation with structural methods, complementing lipid composition and permeability measurements. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/lipid-organization)
#### [Lamellar lipid reinforcement](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/lipid-barrier)
Assess intercellular lipid-layer organisation in the stratum corneum using structural and functional measurements relevant to hydration mechanisms. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/lipid-barrier)
#### [Corneodesmosome regulation](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/corneodesmosome)
Investigate corneodesmosome regulation through junction proteins, protease activity and cohesion measurements relevant to barrier integrity and shedding. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/corneodesmosome)
#### [Proteases inhibition](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/proteases)
Measure ingredient effects on epidermal proteases, including kallikreins, and follow up in skin models to investigate balanced desquamation mechanisms. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/proteases)
#### [Epidermal cohesion](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/epidermal-cohesion)
Investigate epidermal adhesion and integrity through cohesion, shedding and barrier measurements in tissue models relevant to skin hydration research. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/epidermal-cohesion)
#### [Hydration efficacy testing](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/hydration)
Investigate hydration mechanisms through water-channel expression, humectant production, lipid synthesis and epidermal integrity in suitable models. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/hydration)
#### [Hyaluronic acid synthesis](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/hyaluronic)
Investigate endogenous hyaluronic acid production in skin cells using quantification and synthase-related measurements, accounting for added material. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/hyaluronic)
#### [Aquaporin expression](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/aquaporin)
Measure aquaporin expression, including AQP3 in keratinocytes, to investigate water-channel responses rather than directly measuring skin hydration. [Check this service](https://cosmetic-labs.com/services/clinical/efficacy/hydration-barrier-testing/skin-barrier-hydration/aquaporin)

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---

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