Efficacy Testing of Collagen and Zhuyin Drinks

Efficacy Testing of Collagen and Zhuyin Drinks

To assess collagen and zhuyin drink on skin & body 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, heart, liver, kidney, endocrine and other organs and patients with mental illness (according to medical history).
• 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 in the past 4 weeks.
• Vegetarian
• Subjects who have large spots (area >3 square centimeter) or abnormal acne.