Tokyo, May 8 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000061470) titled 'Research on the effects of black tea polyphenols on the skin' on May 7.

Study Type: Interventional

Study Design: Basic Design - Single arm Randomization - Non-randomized Blinding - Open -no one is blinded Control - Uncontrolled

Primary Sponsor: Institute - Healthcare Systems Co., Ltd.

Condition: Condition - Healthy Adults Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To evaluate the effects on skin condition when black tea is ingested continuously for 8 weeks by adult women aged 30 to 49. Basic objectives2 - Efficacy

Intervention: Interventions/Control_1 - Inges...