* Clinically Validated :
Singapore, KK Women's and Children's Hospital - Clinical Trials.gov Identifier: NCT05504096
** After successfully placing an order and making the payment, we will send a free set of ring sample (Size Kit) to you in advance for you to try on and determine the ring size. Please try it on for one day to decide on the ring size. Once you have decided, please email newstarclub@newstarltd.com.hk to contact our customer service, providing your order number and the ring size you would like to purchase.