Kiehl's is offering a free 1cc sample of its new CollaShot Plumping Serum, formulated with collagen and peptides to visibly plump and firm skin. To claim yours, visit the Kiehl's sampling program page and complete the request form with your name and mailing address. Open to residents of the 50 United States (excluding Puerto Rico), 18+, one per person, while supplies last. No purchase required.


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