AzTrials
AzTrials

Dark SpotsNCT07477275

Combination of Oral and Topical Whitening Agents for Reducing Skin Pigmentation

A study testing oral supplement and Retinol serum in people with Dark Spots, run by USMARI Research & Innovation Centre at 1 site in Malaysia.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The goal of this study is to evaluate the safety and efficacy of a combination use of oral supplement and topical serum in improving skin pigmentation in healthy women. The main questions it aims to answer are: Does combination use able to reduce the dark spot? Is there any adverse effect associate with the product… Read more about this study

Who is it for?
Ages 30 to 60 years, women only
Conditions the study is for
Dark Spots
What is being tested?
oral supplement and Retinol serum
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
68 participants
Where
1 siteMalaysia
Study dates
1 Dec 2024to 30 Apr 2026
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 30 to 60 years
  • Women only
  • No healthy volunteers
  • Adult

Who may be able to join

  • Healthy Malaysian women.
  • Aged 30 - 60 years old.
  • Fitzpatrick skin type III-V
  • Exhibiting signs of skin pigmentation such as post-inflammatory hyperpigmentation, freckles and solar lentigines.

Who cannot join

  • Participants with melasma.
  • Pregnant, breastfeeding women, or those planning pregnancy during the study period.
  • Participants with documented chronic medical conditions such as kidney disease, diabetes, heart problems, liver disease, gastrointestinal disorders, and others.
  • Participants with documented autoimmune diseases.
  • Participants with inflammatory or allergic skin problems such as atopic dermatitis, rosacea, or psoriasis.
  • Use of topical agents for skin brightening within the past three months.
Show all 10Show fewer
  • Consumption of food or supplement products containing L-glutathione, L-cysteine HCL monohydrate, polypodium leucotomos leaf extract, pine bark extract, or other similar supplements, as well as the use of topical products containing niacinamide, glycyrrhiza glabra (licorice) root extract, retinol, or other products for skin brightening or rejuvenation within three months prior to the study.
  • Undergoing any cosmetic procedures such as botox, laser and light treatment, facial surgery, or any procedures aimed at improving skin conditions (e.g., skin brightening, elasticity, wrinkles, pores) prior to the study.
  • Consumption of any medical or hormonal treatments that could interfere with the study results, such as isotretinoin, tranexamic acid, and others.
  • Allergy to any ingredients that may be found in the product.

Trial locations and contacts

1 site in 1 country.

Malaysia1 site
  • USMARI Research & Innovation Centre

    Petaling Jaya, Selangor, 47810

Other trials in Malaysia

About this study

Official title: Combination of Oral and Topical Whitening Agents for Reducing Skin Pigmentation in Healthy Women: A Randomized Controlled Trial

The goal of this study is to evaluate the safety and efficacy of a combination use of oral supplement and topical serum in improving skin pigmentation in healthy women. The main questions it aims to answer are:

Does combination use able to reduce the dark spot? Is there any adverse effect associate with the product use?

Conditions
Dark Spots
Being tested
oral supplement, Retinol serum

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • oral supplementDietary supplement

    Oral supplement need to be consume for 12 weeks. Subject need to consume the capsule once daily, during the first week. After the first week, if there are no adverse effects, they need to consume the capsule twice daily (normal dosage).

  • Retinol serumOther

    Serum need to be apply daily at night only, in a thin layer. The application schedule is as follows: in week 1, once a week; in week 2, twice a week (if no adverse reactions occur in week 1, such as skin dryness); in weeks 3 and 4, twice a week; and from week 4 onwards until the study is completed, three times per week.

Study groups in NCT07477275
Study groupRoleWhat they receive
Oral supplementActive comparatorOral supplement contain L-glutathione, L-cysteine HCL monohydrate, polypodium leucotomos leaf extract, and pine bark extract.
Receives: Dietary Supplement: oral supplement
Oral supplement + Retinol serumActive comparatorOral supplement is the same as the other arm. Topical serum containing niacinamide, glycyrrhiza glabra (licorice) root extract, and retinol.
Receives: Dietary Supplement: oral supplement; Other: Retinol serum

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Skin spots assessment

    Changes in skin spots (assessed under polarized and UV light) are evaluated using the JANUS III Facial Skin Analysis System.

    Measured: Baseline, Week 6, Week 12

  2. Skin brightening assessment

    Changes in skin brightness (L value) are evaluated using the JANUS III Facial Skin Analysis System.

    Measured: Baseline, Week 6, Week 12

Secondary outcomes (2)
  1. Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]

    The safety of the oral supplement and topical products will be evaluated throughout the study by monitoring adverse events (AEs) such as gastrointestinal discomfort, body skin tingling, itching, stinging sensation, erythema or obvious signs of dry skin, desquamation, flushing and other symptoms reported by the participants.

    Measured: 12 weeks

  2. Participants satisfaction

    Participants' satisfaction with regards to skin brightness, spots, wrinkles, and pores will be assessed through a survey. Participants will answer questions about their preferences using a 5-point scale: 5 - Strongly Agree, 4 - Agree, 3 - Neutral, 2 - Disagree, and 1 - Strongly Disagree.

    Measured: Week6, Week12

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Mar 2026
  2. Study start1 Dec 2024
  3. Primary completion30 Apr 2026
  4. Study completion30 Apr 2026

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
68 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07477275
Sponsor's protocol ID
UMRAMREC005-24-2
Status last verified
Jul 2026
First submitted
4 Mar 2026
Last updated
31 Jul 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing oral supplement and Retinol serum in people with Dark Spots, run by USMARI Research & Innovation Centre at 1 site in Malaysia.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 31 Jul 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Malaysia. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Skin spots assessment (time frame: Baseline, Week 6, Week 12). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Jul 2026.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in