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Active, not recruitingNCT07079371Updated Jul 23, 2025

Micellar Water and the Skin Barrier: Comparing Rinsing vs. Non-Rinsing Application

An interventional study of Micellar Water Application (No Rinse) and Micellar Water Application (With Rinse) in Effects of Micellar Water Application on Skin Barrier Integrity, Hydration, and Erythema in Healthy Skin, sponsored by University of Split, School of Medicine. Active, not recruiting at 1 site in Croatia. Open to participants aged 18 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-07-23.

Sponsored by University of Split, School of Medicine · Not applicable, Interventional, and Basic science

From the registry’s dates

  • Primary completion was expected by Jan 2026, 9 months ago, but the record still lists the study as active, not recruiting.
Phase
Not applicable
Study type
Interventional
Enrollment
30
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

The goal of this clinical trial is to assess how micellar water affects the skin barrier in healthy adult volunteers. The main questions it aims to answer are:

  • Does leaving micellar water on the skin affect skin barrier function differently than rinsing it off?
  • Are there measurable differences in transepidermal water loss (TEWL), skin hydration, and erythema between the two application methods?

Researchers will compare the effects of micellar water left on the skin versus rinsed off after application.

Participants will:

  • Be randomly assigned to one of two groups
  • Apply micellar water to their forehead once daily for 21 days
  • Either leave the micellar water on or rinse it off, depending on their group
  • Undergo non-invasive measurements of TEWL, skin hydration, and erythema before and after the intervention
02

Conditions studied

  • Effects of Micellar Water Application on Skin Barrier Integrity, Hydration, and Erythema in Healthy Skin
03

In context

Lead sponsor

University of Split, School of Medicine is the lead sponsor of 49 studies on the registry; 16 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Healthy adult volunteers aged 18 years and older. Willingness and ability to comply with study procedures. Signed informed consent indicating understanding of study participation, rights, and potential risks and benefits. No current skin diseases or conditions at the test site. Ability to attend all study visits and follow instructions

Exclusion criteria

Exclusion Criteria:

  • Participants with skin diseases, skin cancers, or sun damage at the test site will be excluded. Use of immunomodulators, corticosteroids, or antihistamines within 30 days prior to the study start is exclusionary. Application of emollient creams within 3 days before the trial is not permitted. Other exclusion criteria include protocol non-compliance, excessive exposure to natural or artificial ultraviolet radiation, pregnancy or lactation, history of vitiligo, melasma, or other hyperpigmentation or photosensitive disorders, immunosuppression, and allergy to any ingredient of the micellar solution used in the intervention. Before starting the study, participants will be asked if they have ever experienced adverse reactions to any components of the micellar solution.
05

Study design

Phase
Not applicable
Primary purpose
Basic science
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    Micellar Water Application Without Rinsing

    Participants apply micellar water to the forehead once daily and leave it on the skin without rinsing. Skin barrier function is assessed before and after 21 days of application.

    Procedure: Micellar Water Application (No Rinse)

  • Experimental
    Micellar Water Application With Rinsing

    Participants apply micellar water to the forehead once daily and rinse it off after application. Skin barrier function is assessed before and after 21 days of application.

    Procedure: Micellar Water Application (With Rinse)

Interventions

  • ProcedureMicellar Water Application (No Rinse)

    Participants apply micellar water to the forehead once daily and leave it on the skin without rinsing for 21 days.

  • ProcedureMicellar Water Application (With Rinse)

    Participants apply micellar water to the forehead once daily and rinse it off after application for 21 days.

06

What researchers measure

Primary outcomes

  1. Change in TransEpidermal Water Loss (TEWL)

    Measurement of transepidermal water loss on the forehead to assess skin barrier function.

    Time frame: Four measurements total: one at baseline (before application), and one at the start of each week during the 3-week intervention (Days 0, 7, 14, and 21).

  2. Change in Skin Hydration

    Measurement of skin hydration levels on the forehead before and after micellar water application.

    Time frame: Four measurements total: one at baseline (before application), and one at the start of each week during the 3-week intervention (Days 0, 7, 14, and 21).

  3. Change in Erythema

    Assessment of skin redness (erythema) on the forehead before and after of micellar water application.

    Time frame: Four measurements total: one at baseline (before application), and one at the start of each week during the 3-week intervention (Days 0, 7, 14, and 21).

07

Study locations

1 site
  • Univerity of Split School of Medicine
    Split, 21000, Croatia
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 23, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT07079371
Lead sponsor
University of Split, School of Medicine
Responsible party
Sponsor
First posted
Jul 23, 2025
Start date
Jun 18, 2025
Primary completion
Jan 1, 2026 (estimated)
Completion
Jan 1, 2026 (estimated)
Last update
Jul 23, 2025

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Jun 2025. You cannot join it, but the record below documents what was studied.

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