kos Hyaluronic Acid Serum 30 ml — made in Italy. Hyaluronic Acid Serum Description Serum containing 0.8% hyaluronic acid, 1% allantoin. Hyaluronic acid is a…
kos Hyaluronic Acid Serum 30 ml, sold under the kos brand, is manufactured in Italy. That origin is recorded at the "Internet-Sourced" evidence grade.
Origin evidence last reviewed 2026-06-24.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.