New ozonated hair cream cuts scalp oil by 28% in women
NCT ID NCT07559617
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a special cream made with ozonated oils and biotin for women with oily scalp. 66 women aged 18-40 used the cream or a placebo every night for 6 weeks. The active cream reduced scalp oil by 28%, compared to 10% for placebo, and was well-tolerated with only mild irritation in a few cases.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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66 people
The number who actually took part.
- Started
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Apr 2024
- Finished
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May 2024
- Lead sponsor
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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
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18 to 40 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Female sex (biological), ages 18-40 years * Objective sebum measurement ≥200 µg/cm² at baseline (Sebumeter SM 815) * Self-reported daily or near-daily hair washing due to oily scalp * Willing to abstain from other hair treatments for 2-week washout and study duration * Signed informed consent Exclusion Criteria: * Active scalp dermatoses (psoriasis, atopic dermatitis, tinea capitis) requiring medical treatment * Known hypersensitivity to study ingredients or fragrance components * Pregnancy, lactation, or planned pregnancy during study period * Systemic medications affecting sebum production (isotretinoin, hormonal contraceptives initiated within 3 months, anti-androgens) * Participation in other cosmetic or pharmaceutical trials within 30 days
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Clinical Research Unit, Syrian Scientific Society for Medicinal Herbs, Aleppo
Aleppo, Syria