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Efficacy comparison of 2 tinted and invisible sunscreen products with similar formulation and SPF 50, on reducing skin damage caused by sunlight

Efficacy comparison of 2 tinted and invisible sunscreen products with similar formulation and SPF 50, on reducing skin damage caused by sunlight in the Iranian population with skin type 2 to 4:Single-blind randomized clinical trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20210130050179N3
Enrollment
110
Registered
2022-05-17
Start date
2022-05-22
Completion date
Unknown
Last updated
2022-05-30

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

Conditions

Reduce skin damage caused by sunlight. Sunburn

Interventions

Intervention 1: Intervention group: Tinted sunscreen cream will be used every three hours from 8 AM to 8 PM (4 times in a day). Intervention 2: Control group: Invisible sunscreen cream will be used ev

Sponsors

Akhavi laboratory
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Healthy people aged between 18 to 60 years Signing the informed consent form

Exclusion criteria

Exclusion criteria: History of any skin disease except acne, allergies and rosacea Facial skin surgery in the last 2 months Any systemic disease that affects the skin (diabetes, thyroid disease and etc..)

Design outcomes

Primary

MeasureTime frame
Skin melanin. Timepoint: Before intervention and 8 and 16 weeks after treatment. Method of measurement: mexameter.—

Secondary

MeasureTime frame
Changes in erythema intensity (factor E) and skin lightness (factor L). Timepoint: Before intervention and 8 and 16 weeks after treatment. Method of measurement: Using Visioface device and CSI software.—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactTaraneh Yazdanparast

Tehran University of Medical Sciences

drtaraneh@yahoo.com+98 21 8896 0880

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026