[Sign in Process]
STEP 1. Click on “Sign in” at the upper right corner of the webpage.
STEP 2. Check “Agree” after reading “Terms and Conditions’ and “Privacy Policy"
STEP 3: Write in your account ID and PW (2 or more combinations of uppercase/lowercase/numeric/special characters, 8 to 16 characters)
STEP 4. Write in your name and you e-mail address
STEP 5. Complete the process by clicking “Sign in”!
Please enjoy your shopping at OPTATUM