Customer is responsible for $9.95 shipping costs, unless otherwise specific during promotional periods. All orders are processed and in the mail within 1-2 business days. Once in the mail, transit time is estimated at 3-5 business days. We do not do overnight (or expedited) shipping.

We do not ship on holidays or weekends. Holidays & weekends are not counted as a "business" or "transit" day.

Our fulfillment center is filling orders and handing packages to our carriers in a timely manner. Due to COVID19, our shipping partners are experiencing unprecedented volumes and packages may take longer than usual to be delivered. We apologize for any delays and thank you for being a loyal Human Science customer.

We are not responsible for contacting the shipping carrier (USPS) if an order is missing, lost, or stolen. It is the full responsibility of the buyer to contact the carrier directly. No refunds or store credits will be issued for missing, lost, or stolen orders.

We do the best we can here at Human Science to get your order out on time, but if for any reason you have an issue with your order, please feel free to email us at