We fully endorse the quality of our collagen products.

Products directly purchased from this website may be returned by the buyer by contacting us within fourteen (14) days of the date of purchase for a full refund less shipping and handling, provided the product is unopened and remains sealed.

Please write to to obtain an RMA number. Return products without an authorized RMA number cannot be accepted and will not qualify for a refund.

In case you already opened the product and were not satisfied, please email your comments and an RMA request to and and our customer service team will review each concern.

Replacements or refund does not, in any event, constitute any admission of any kind by Jonathan Castro or by Collamin. We reserve the right to fully investigate claims.