Efficacy Testing of VeCollal Products

Efficacy Testing of VeCollal Products

To assess VeCollal formula on skin condition improvement

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.