I forgot to enter a promo code on checkout, can I use it after checkout? Bella Fiedler 22 March 2023 15:22 Unfortunately, you can’t add your promo code after checkout. Related articles How can I apply a promo code? What payment methods does Avea accept? Can I cancel my subscription? How should I store my Avea products? Are Avea products suitable for men and women? Comments 0 comments Please sign in to leave a comment.