To redeem a digital gift card:
For new subscribers: To apply a digital gift card as a new subscriber, continue through the checkout process as normal. When asked for a payment method, click on the "Apply Gift Card" button under the payment method to apply your digital gift card.
For current subscribers: To apply a gift card to your existing order, just log into your account and click on the “My Ritual” button. Then click the "Edit" button next to Payment. From there, scroll down to Account Credit and click the button to "Redeem Gift Card."