To redeem reward points to offset against your order,
Login to Hegen Estore, click on "Rewards" located at the left bottom corner of the page.
Click on "Get Rewards".
Click on "Redeem".
Shift the cursor to the right to select value to redeem. Click on the "Green Tick" to confirm the redeemed value.
Click on "Apply" for the voucher to be applicable during checkout page.
During checkout page, you will see the discount applied.