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Orders and Payment

My shipping address isn't being accepted at checkout. How can I proceed?

If you are within the US and you are receiving an error message regarding shipping, please add the shipping address to your customer account by following these steps:. Log in > Account Dashboard > Manage Addresses > Add New Address. Please note:

Cannot access cart. How can I checkout?

Some items may have gone out of stock or the page has been inactive for too long. Clear your cookies and/or use a different browser or device. Re-add the available items to your bag. If you are logged into your customer account, log out and use guest

Why is my coupon code not working?

Coupon codes of any kind will not apply to Influencer sets, Sigma Steals, Sigma x Glow Recipe ‘Hydrate & Glow’ Set, Master Artistry Collection, Practk® by Sigma Beauty®, Price Drops, or to any order when there is a sitewide discount automatically app

How do I place an order on your website?

Select the products you would like to purchase, add them to your shopping cart, and proceed to the Checkout page. You will then be prompted to enter your billing and shipping information. Carefully review your order before submitting for processing.

What types of payments are accepted?

We accept Visa, MasterCard, American Express, and Discover cards, Afterpay, Amazon Pay, Google Pay, Venmo, PayPal and PayPal Credit. We cannot guarantee that payments from a prepaid credit card will be accepted.

Do I have to calculate from USD to my country's currency?

All pricing on our website is listed in US Dollars. The exchange rate is dependent upon the method of payment you select. For payments processed through credit card, there may be a conversion fee. To calculate the exact rate or conversion fee, we rec

What should I do if I am unable to place an order?

If you are unable to place an order, please clear your cookies and browsing history, and try again. If the problem persists, we recommend using a different internet browser. If these steps have not solved the issue, email customer service at  contact

Why is my order On-Hold?

For your protection and security, your order may need additional review or verification before being processed. If additional payment verification is required for your order, you will be contacted as soon as possible with further instructions. Please

Why is my discount code not applying a discount?

Please check the promotion time frame on your discount code - all of our promotions are set to Central Time. Some items are excluded from all discount codes, including but not limited to Influencer sets, Sigma Steals, Sigma x Glow Recipe ‘Hydrate & G

Can I modify or cancel my order?

Because we strive to get your order processed, packaged, and shipped quickly, we are unable to modify or cancel orders after they have been submitted. This information can be found on the checkout page, prior to submitting your order. Please thorough

Will an invoice be included in the package?

For gifting purposes, we do not provide invoices in our packages. Please feel free to email [email protected] to receive a copy of your order confirmation receipt.

Can you mark the package as a gift or lower the value?

The value of a package cannot be lowered or marked as a gift. The package does need to be labeled to reflect the contents included in the order. We are unable to modify the label in any way. Any import fees applied to the package are the responsibili

Do you offer personalized packaging or gift wrapping?

At this time, we do not offer personalized packaging. Sigma takes pride in the appearance of our products and they are packaged as nicely and neatly as possible to resemble a gift!

What does the order status "Processing" mean?

Once an order has been placed and the payment has been collected and verified, our fulfillment center will accept and begin processing the order almost immediately. If your order status shows as "Processing" this means that your order is being proces

What does the order status "Completed" mean?

Once your order has been processed and shipped by our fulfillment center, a shipment notification email will be sent to the email address indicated in the order. The status of the order will update to "Completed" meaning that the order has been shipp

How can I cancel my order?

If you need to cancel your order, please contact us as soon as possible. If the order has not yet been shipped, we can cancel it and issue a refund. To expedite the process, please provide the order number in your request. Once an order has been canc

What if I haven't received my refund?

If you have not received your refund after cancelling an order, please get in touch with our customer service team. It's important to note that refunds are processed back to the original form of payment. So, if your order was paid for with a Masterca

Can I amend an order after it has been placed?

Unfortunately, once an order is processed or confirmed as shipped, we are unable to make any amendments, including adding promotional offers, shop credits, or switching products. If you realize there was a mistake with your order and it has not been

What happens if I receive confirmation/credit for one order but not another when returning items?

In case you have returned multiple orders but have received confirmation or credit for only one, please contact us with the details including tracking number and order numbers. If there was an error on your part such as an incorrect order number writ

What should I do if I received my package but an item was missing?

If you received your order and an item was missing, our customer service team is here to help. Please let us know about the missing item, and we will offer you the option to have the missing item reshipped, with customs pre-paid, or you can opt for a