Prospective Study of Topical Vitamin C (THDA) Versus Topical Vitamin C (THDA) With Acetyl Zingerone
Prospective, Double-Blinded, Randomized Head-to-Head Study of Topical Acetyl Zingerone With Teterahexyldecyl Ascorbate (THDA) Versus THDA Alone
1 other identifier
interventional
44
1 country
1
Brief Summary
The purpose of this study is to asses the impact of topically applying a form of vitamin C known as tetrahexyldecyl Ascorbate (THDA) along with a novel anti-aging ingredient, acetyl zingerone, compared against applying THDA alone.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Apr 2023
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 9, 2023
CompletedFirst Posted
Study publicly available on registry
March 22, 2023
CompletedStudy Start
First participant enrolled
April 6, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 17, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
December 20, 2023
CompletedJuly 25, 2023
July 1, 2023
3 months
March 9, 2023
July 24, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Facial fine lines and wrinkles
Change in severity of fine lines and wrinkles measured by photographic analysis (BTBP 3D Camera System)
8 weeks
Facial skin pigment evenness
Change in the appearance of facial skin pigment intensity measured by photographic analysis (BTBP 3D Camera System)
8 weeks
Secondary Outcomes (10)
Facial fine lines and wrinkles
4 weeks
Facial skin pigment evenness
4 weeks
Skin redness
4 weeks
Skin redness
8 weeks
Change in skin pigmentation in the undereye area
4 weeks
- +5 more secondary outcomes
Study Arms (2)
THDA + Acetyl Zingerone
EXPERIMENTALProduct will be used twice daily- once in the morning and once in the evening for 8 weeks. Each application will consist of 1-2 pumps (size of quarter) onto the face and neck, until fully absorbed.
THDA only
ACTIVE COMPARATORProduct will be used twice daily- once in the morning and once in the evening for 8 weeks. Each application will consist of 1-2 pumps (size of quarter) onto the face and neck, until fully absorbed.
Interventions
A skin care product with Acetyl Zingerone (Synoxyl® AZ) and THDA (VitaSynol® C) used twice daily
Eligibility Criteria
You may qualify if:
- Men and women between the ages of 30 years old and 65 years old.
You may not qualify if:
- Individuals who are pregnant or breastfeeding.
- Prisoners.
- Adults unable to consent.
- Individuals who have changed any of their hormonal based contraception within 3 months prior to joining the study.
- Subjects using any topical retinoid, acetyl zingerone, vitamin C, bakuchiol, hyaluronic acid or benzoyl peroxide containing topical product within 2 weeks of starting study or any subject unwilling to refrain from washout prior to enrollment.
- Subjects with any of the following facial cosmetic treatments in the past 3 months or those who are unwilling to withhold the following facial cosmetic treatments during study including botulinum toxin, injectable fillers, microdermabrasion, intense pulsed light (IPL), peels, laser treatments, acid treatments, facial plastic surgery, or any other medical treatment administered by a physician or skin care professional which is designed to improve the appearance of facial skin.
- Current tobacco smoker or a tobacco smoking history of greater than 10 pack-years.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Integrative Skin Science and Researchlead
- Sytheon Ltd.collaborator
Study Sites (1)
Integrative Skin Science and Research
Sacramento, California, 95815, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 9, 2023
First Posted
March 22, 2023
Study Start
April 6, 2023
Primary Completion
July 17, 2023
Study Completion
December 20, 2023
Last Updated
July 25, 2023
Record last verified: 2023-07
Data Sharing
- IPD Sharing
- Will not share