YES, TO COMPLETE AN ORDER ON SUGAR.IT YOU WILL ONLY NEED TO ENTER AN EMAIL ADDRESS.
WHEN YOU HAVE ADDED THE PRODUCT TO YOUR CART YOU WILL BE ABLE TO CLICK ON "PROCEED TO PURCHASE" AND YOU WILL BE REDIRECTED TO THE LOGIN PAGE WHERE YOU CAN CHOOSE WHETHER TO LOG-IN OR PROCEED AS A GUEST.
REGISTRATION WILL THEN NOT BE NECESSARY; YOU WILL ONLY NEED TO COMPLETE THE FIELD WITH YOUR E-MAIL TO RECEIVE YOUR PURCHASE CONFIRMATION AND STAY UPDATED ON YOUR ORDER.