Efficacy Evaluation Study of Vitamin C and Glutathione Liquid Sachet

Recruiting now · Not applicable · Has a placebo group

Conditions studied: Skin Condition, Anti-Oxidative Stress

In brief

The objective of this study is to evaluate the effect of liquid vitamin C and glutathione supplements on human skin condition improvement and anti-oxidation.

Key facts

Study ID

NCT07379216

Run by

TCI Co., Ltd.

People needed

30

Starts

2026-01-24

Expected to finish

2026-06-01

Last updated by the study team

2026-02-04

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Healthy male or female adults, aged 18-65 years old;
• Commitment not to use products having activity comparable with that of the product to be tested during the study period;
• Free of any dermatological or systemic disorder that would interfere with results.

You may not qualify if…

• Subject with obvious skin surface damage;
• Subject who had oral or topical medication which may affect skin condition within 1 month;
• Individuals with known allergies to cosmetics, medications, or foods (especially those allergic to legumes/soy);
• Pregnant or breastfeeding individuals;
• Received facial laser therapy, chemical peeling in the past 2 months.
• Individuals unwilling to allow publication or public disclosure of photographs taken as part of the study results

Where it is running

• Chia Nan University of Pharmacy & Science — Pingtung City, Taiwan (enrolling)

Full record on ClinicalTrials.gov

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