NCT07793123

Active Not Recruiting

Effect of an Antioxidant Dietary Supplement on Skin Radiance

Robertet SA Source

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Other study identifiers

Sponsor study identifier

ID-RCB: 2026-A00933-48

Study Type

interventional

Estimated enrollment

60

Locations

1 country

Sites

1

Timeline

Study Start

August 31, 2026

Actual (reported)

Primary Completion

December 2026

Estimated

Planned date reported by the registry; this milestone is not confirmed as achieved.

Study Completion

December 2026

Estimated

Planned date reported by the registry; this milestone is not confirmed as achieved.

Brief Summary

A randomized, double-blind, placebo-controlled study evaluating the effects of an oral antioxidant dietary supplement on skin radiance in women exposed to urban air pollution. Secondary assessments include skin tone homogeneity, pigmentation, inflammation, skin barrier function, glycation markers.

Registry Overview

Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.

Recruitment status: active not recruiting
Estimated enrollment: 60 participants
Study completion date: December 2026
Estimated
Planned date reported by the registry; this milestone is not confirmed as achieved.
Listed locations: 1 countries · 1 sites

Trial Relationships

Click on a node to explore related trials.

Some registry-reported names shown below are not yet linked in this graph.

Study Timeline

Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.

First Submitted
July 31, 2026
Actual (reported)
First Posted
August 28, 2026
Actual (reported)
Study Start
August 31, 2026
Actual (reported)
Primary Completion
December 2026
Estimated
Planned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
December 2026
Estimated
Planned date reported by the registry; this milestone is not confirmed as achieved.

Last Updated: September 16, 2026
Status Verified: July 2026
Last Update Submitted: September 15, 2026

Conditions

Healthy Women

Keywords

SkinpollutionRadiance

Outcome Measures

Primary Outcomes (1)

Skin Radiance
Glossymeter
Day 0 and Day 90

Secondary Outcomes (7)

Skin Radiance
Day 0 and Day 30
Skin Radiance
Day 0, Day 30, Day 90
Skin homogeneity
Day 0, Day 30, Day 90
Skin homogeneity
Day 0, Day 30, Day 90
TransEpidermal Water Loss
Day 0, Day 30, Day 90
+2 more secondary outcomes

Study Arms (2)

Dietary supplement : Placebo

PLACEBO COMPARATOR

Maltodextrin = 400 mg/capsule, 1 capsule per day.

Dietary Supplement: Placebo

Dietary supplement : Investigational product

ACTIVE COMPARATOR

1 capsule contains :140 mg Rosa damascena extract, 20 mg melon concentrate and 140 mg acerola extract; 57mg maltodextrin; 1 capsule per day.

Dietary Supplement: Antioxidant Supplement

Interventions

Antioxidant SupplementDietary supplement

Oral antioxidant dietary supplement administered as one capsule once daily for 90 days.

Dietary supplement : Investigational product

PlaceboDietary supplement

Placebo dietary supplement administered as one capsule once daily for 90 days.

Dietary supplement : Placebo

Eligibility Criteria

Age35 Years - 65 Years

Sexfemale

Healthy VolunteersYes

Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

Healthy female subjects aged 35 to 65 years.
Fitzpatrick skin phototype II to IV.

Sponsors & Collaborators

Robertet SA
Industrylead

Study Sites (1)

Gredeco

Paris, 75 013, France

Study Design

Study Type: interventional
Phase: not applicable
Allocation: RANDOMIZED
Masking: QUADRUPLE
Who Masked: PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose: PREVENTION
Intervention Model: PARALLEL
Sponsor Type: INDUSTRY
Responsible Party: SPONSOR

Study Record Dates

First Submitted

July 31, 2026

First Posted

August 28, 2026

Study Start

August 31, 2026

Actual (reported)

Primary Completion

December 2026

Estimated

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Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.

Any skin type.

Dull and uneven skin complexion.

Living in an urban environment and exposed to pollution.

No change in hormonal treatment within the past 3 months.

Able to understand the study procedures and provide informed consent.

Willing and able to comply with study requirements.

Written informed consent obtained.

Covered by health insurance.

Willing to avoid unprotected sun exposure and use SPF 50 sunscreen throughout the study.

You may not qualify if:

Pregnant or breastfeeding women, or women planning to become pregnant during the study.
Current use of dietary supplements or vitamin supplements.
Participation in another clinical trial involving a cosmetic product, drug, or medical device.
Use of oral or injectable corticosteroids within the past 3 months.
Current treatment with immunosuppressive agents, chemotherapy, or radiotherapy.
History of autoimmune disease or connective tissue disorder.
Presence of an active dermatological condition that could affect study assessments.
Following a vegetarian, vegan, or weight-loss diet.
Not covered by health insurance.
Individuals considered vulnerable according to applicable regulations.

Contact the study team to confirm eligibility.

Planned date reported by the registry; this milestone is not confirmed as achieved.

Study Completion

December 2026

Estimated

Planned date reported by the registry; this milestone is not confirmed as achieved.

Last Updated

September 16, 2026

Record last verified: 2026-07

Source record

Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.

Source: ClinicalTrials.gov.

JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.

Registry identifier: NCT07793123
Data provider: ClinicalTrials.gov
Source updated: 2026-09-16
Normalization version: ctgov-legacy-1

Open registry record

Source retrieved: 2026-10-25 22:21:15 UTC

Locations

FR(1)

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Secondary Outcomes (7)

Study Arms (2)

Dietary supplement : Placebo

Dietary supplement : Investigational product

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

Study Design

Study Record Dates

You may not qualify if:

Source record

Locations