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Shipping + Returns


*Due to Covid-19 we have implemented safety measures which may cause a minor delay of 1-2 business days in dispatching your order. Also, all mail carriers have been experiencing some delays and this may affect the shipping time of your order. Rest assure that we are doing our best for you to receive your order in a timely manner.


All orders placed before 6:00pm ET are processed immediately and dispatched the following business day from our order centre in Miami, FL. Orders placed after 6:00pm ET are processed and dispatched within the following 2 business days. Orders will be processed and shipped during regular business hours (Monday through Friday 9:00AM - 5:00PM EST, excluding holidays). Standard delivery time is approximately 1 to 5 working days, depending on your location. The delivery costs are calculated automatically based on your location.


We are not responsible for orders shown delivered outside your door, concierge, or other receiving parties. We are also not responsible for shipping to an incorrect address if it was provided by the customer. When submitting your order, please be sure to check that your shipping address is correct. If for any reason, you need to change your shipping address after your order is processed, please contact as soon as possible with the changes needed by replying to your order confirmation. We will only be able to make changes if your order has not been processed and dispatched.


Our shipping, fee and delivery schedule is as follows:


  • Free Shipping on all orders over $60 
  • $5.00 Flat Rate on orders below $60
  • USPS - First Class Parcel
  • Delivery 1-4 business days


  • Free Shipping on all orders over $125.00 
  • $10.00 Flat Rate on orders below $125.00
  • USPS - First Class Parcel
  • Delivery 3-5 business days


  • Free Shipping on all orders over $175.00 
  • $15.00 Flat Rate on orders below $175.00
  • USPS - First Class Parcel
  • Delivery 4-12 business days

Please note that due to varying international shipping protocols, times and customs regulations, we cannot guarantee date-specific delivery times outside of the US. We are not responsible for any custom delays or fees. All customs, duties, taxes and fees are the customers responsibility. If you have any questions, please email us at



Shipping Confirmation

You’ll receive an order confirmation as soon as your order and payment has been received. Once your order has been processed to be dispatched, you’ll receive a second email confirming your shipment along with your tracking information. If you have not received your order confirmation email within 15 min of placing your order, please check your spam folder first. If you still have not received it and are having problems with these emails, please email us at







La Sirène only accepts returns for exchange on unopened or damaged goods.


La Sirène is not responsible for replacing lost or stolen goods. If any collagen product is damaged in postal transit, photo evidence of the damage and of the complete package of unopened individual sachets must be provided. Other than postal damage, La Sirène will not exchange any product that has been tampered with or opened. 


Should a customer receive a faulty or damaged product, please contact La Sirène within 7 days of delivery by emailing us at so that we may assist you with correcting this matter and begin the process for your exchange. Exchanges will only be made once product has been returned in original packaging with all sachet seals intact. No exchanges will be granted following the seven days after delivery.

Due to variations in individual lifestyles, results may vary. La Sirène does not offer a 'Money Back Guarantee'. In the event that you are not satisfied with this product, you may contact us with questions, comments or concerns. A different consumption method or formulation may be right for you.


Please take into consideration our “no refund policy” before making your purchase. We encourage you to contact us prior to ordering if you have questions on any products.