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Melatonin bath products: are they absorbed like pills?

NCT ID NCT06382610

Knowledge-focused Sponsor: University of Redlands Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 11, 2026 · Last updated Aug 12, 2026 · Updated 1 time

Summary

This study looks at how melatonin from lotions and bubble baths enters the body compared to traditional oral tablets. Researchers will measure melatonin levels in saliva after use to see how quickly it is absorbed and how long it stays in the system. The trial involves healthy university students and also tracks any side effects like drowsiness or skin irritation.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Melatonin in oral, lotion, and bubble bath formulations
What this could lead to
If this works, it could provide dosing and safety information for melatonin in lotions and bubble baths, helping consumers make informed choices.
What could go wrong
This is a small early-stage study in healthy students, so results may not apply to the general public. Absorption from skin products may vary widely, and side effects like drowsiness or skin irritation are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

12 people

The number who actually took part.

Started

May 2024

Finished

Jul 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 21 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * University of Redlands student Exclusion Criteria: * Allergies or sensitivities to scented lotions or bath products * Pregnancy

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Conditions

The condition(s) this trial relates to.

sleep disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Sleep

Contacts and locations

Locations

  • University of Redlands

    Redlands, California, 92373, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.