Driving Time and Facial Skin Hydration Asymmetry in Florida Drivers

Part of paid clinical trials in Orlando, Florida.

Sponsor
IAS Skin Care
Study ID
NCT07764809
Status
Not Yet Recruiting

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Conditions

  • Photoaging
  • Skin Diseases
  • Skin Hydration

Eligibility Criteria

Sex
FEMALE
Age
25 Years - 65 Years
Healthy Volunteers
Accepted

Interventions

  • BT-Analyze bioimpedance skin hydration measurement — OTHER
    Non-invasive skin hydration measurement at three facial zones (right cheek, left cheek, forehead) using the BT-Analyze bioimpedance device. Three measurements per zone. Single visit.

Study Details

his observational study examines whether time spent driving is associated with differences in skin hydration between the left and right cheeks in female drivers residing in Florida. In left-hand-drive vehicles, the driver's left cheek is chronically exposed to ultraviolet A (UVA) radiation through the unshaded side window during every daytime driving episode. A prior study by IAS Skin Care (NCT07564869, n=30) found that the left cheek was less hydrated than the right cheek in 60% of participants, suggesting a possible effect of driving-related UVA exposure on facial skin hydration asymmetry. Eighty female drivers aged 25-65 years residing in Florida will be enrolled. At a single visit, skin hydration will be measured at three facial zones (left cheek, right cheek, and forehead as a symmetrical control zone) using the BT-Analyze bioimpedance device. Participants will complete a structured questionnaire on driving habits, sun protection practices, and skin history. The primary outcome is the Hydration Asymmetry Index (HAI = right cheek minus left cheek BT-Analyze score). Associations between driving time, cumulative driving exposure, window tinting, sunscreen use, and HAI will be examined using Spearman correlation, Mann-Whitney U tests, and multiple linear regression.

Key Dates

First listed
Aug 14, 2026
Start date
Oct 1, 2026
Status verified
Aug 2026
Primary completion
Mar 1, 2027
Completion
Mar 1, 2027

Study Design

Enrollment
80 participants (estimated)

Arms

  • Arm: Female Florida Drivers
    Female drivers aged 25-65 years residing in Florida for at least two years, driving at least 3 days per week, without window tinting on the driver-side window.

Primary Outcome Measure

Hydration Asymmetry Index (HAI) [ Time Frame: Single visit (Day 1) ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
IAS Skin CareOrlandoFlorida32835
Olga IAS, M.Sc
[email protected]
689-249-2677

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By research site
IAS Skin Care· Orlando, FL

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