Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on oxygenetix's policy, you can contact oxygenetix via mail for your reference.

Usually, Coupon Stacking is not allowed at oxygenetix. However, the store will surely give out notice if available.

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at oxygenetix.

The sitewide discount from oxygenetix is applied on certain purchases. For Year-End Deals, the store may have its own requirement to offer you a sitewide discount.

Yes. The old coupons from oxygenetix will be kept on the page if it has not expired. New coupons will continuously be updated.