Skin Condition
Conditions
Brief summary
To assess Hibiscus sabdariffa extract and collagen products on skin condition improvement
Interventions
Consume 1 sachet daily
Consume 1 sachet daily
Sponsors
Study design
Eligibility
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
| Measure | Time frame | Description |
|---|---|---|
| The change of skin moisture | Week 0, week 4, week 8 | Corneometer® CM825 was utilized to measure skin moisture. Units: arbitrary Corneometer® units 0-120 |
| The change of skin collagen density | Week 0, week 4, week 8 | DermaLab® Series SkinLab Combo was utilized to measure skin pores. Units: arbitrary units |
| The change of skin wrinkles | Week 0, week 4, week 8 | VISIA Complexion Analysis System was utilized to measure skin wrinkles. Units: arbitrary units |
| The change of skin texture | Week 0, week 4, week 8 | VISIA Complexion Analysis System was utilized to measure skin texture. Units: arbitrary units |
| The change of skin elasticity | Week 0, week 4, week 8 | SoftPlus was utilized to measure skin elasticity. Units: arbitrary units |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| The change of skin spots | Week 0, week 4, week 8 | VISIA Complexion Analysis System was utilized to measure skin spots. Units: arbitrary units |
| The change of skin melanin index | Week 0, week 4, week 8 | Mexameter® MX18 was utilized to measure skin melanin index. Units: arbitrary units |
| The change of skin L* value | Week 0, week 4, week 8 | Chroma 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 8 | Tewameter® TM 300 was utilized to measure TEWL. Units: g/hm² |
| The change of skin pores | Week 0, week 4, week 8 | VISIA Complexion Analysis System was utilized to measure skin pores. Units: arbitrary units |
Other
| Measure | Time frame | Description |
|---|---|---|
| The change of self-assessment skin condition | Week 0, week 4, week 8 | A self-assessment questionnaire was collected to evaluate skin condition |
Countries
Taiwan