*Offer valid from 10/1/2022 at 12:00 AM EST to 10/31/2022 at 11:59PM EST with any purchase of $100 or more, before tax and shipping. One free 10 ml Hyaluronic Serum per order. No promo code needed; automatically added at checkout. Cannot be combined with other promotions or applied to past orders or gift card purchase. Offer is subject to change, alteration, or termination by Immunocologie Skincare at its sole discretion at any time.