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Efficacy Testing of Hibiscus Sabdariffa Extract and Collagen Products

Efficacy Testing of Hibiscus Sabdariffa Extract and Collagen Products

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05988554
Enrollment
50
Registered
2023-08-14
Start date
2023-06-05
Completion date
2023-12-31
Last updated
2024-02-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Skin Condition

Brief summary

To assess Hibiscus sabdariffa extract and collagen products on skin condition improvement

Interventions

DIETARY_SUPPLEMENTPlacebo sachet

Consume 1 sachet daily

DIETARY_SUPPLEMENTHibiscus sabdariffa extract and collagen products

Consume 1 sachet daily

Sponsors

TCI Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Healthy adults aged above 20 years old

Exclusion criteria

* Subject who is not willing to participate in this study. * Patients with diseases of the skin, liver, kidney. * Subjects who have known cosmetic, drug or food allergies, difficulty in digestive tract absorption or disorder. * Female who is pregnant or nursing or planning to become pregnant during the course of the study. * Received facial laser therapy, chemical peeling or UV overexposure (\> 3 hr/week) in the past 4 weeks. * Constant drug use * Students who are currently taking courses taught by the principal investigator of this trial.

Design outcomes

Primary

MeasureTime frameDescription
The change of skin moistureWeek 0, week 4, week 8Corneometer® CM825 was utilized to measure skin moisture. Units: arbitrary Corneometer® units 0-120
The change of skin collagen densityWeek 0, week 4, week 8DermaLab® Series SkinLab Combo was utilized to measure skin pores. Units: arbitrary units
The change of skin wrinklesWeek 0, week 4, week 8VISIA Complexion Analysis System was utilized to measure skin wrinkles. Units: arbitrary units
The change of skin textureWeek 0, week 4, week 8VISIA Complexion Analysis System was utilized to measure skin texture. Units: arbitrary units
The change of skin elasticityWeek 0, week 4, week 8SoftPlus was utilized to measure skin elasticity. Units: arbitrary units

Secondary

MeasureTime frameDescription
The change of skin spotsWeek 0, week 4, week 8VISIA Complexion Analysis System was utilized to measure skin spots. Units: arbitrary units
The change of skin melanin indexWeek 0, week 4, week 8Mexameter® MX18 was utilized to measure skin melanin index. Units: arbitrary units
The change of skin L* valueWeek 0, week 4, week 8Chroma Meter MM500 was utilized to measure skin L\* value. Units: arbitrary units, 0-100
The change of transepidermal water loss (TEWL)Week 0, week 4, week 8Tewameter® TM 300 was utilized to measure TEWL. Units: g/hm²
The change of skin poresWeek 0, week 4, week 8VISIA Complexion Analysis System was utilized to measure skin pores. Units: arbitrary units

Other

MeasureTime frameDescription
The change of self-assessment skin conditionWeek 0, week 4, week 8A self-assessment questionnaire was collected to evaluate skin condition

Countries

Taiwan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026