SPERMIDINE HCL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SPERMIDINE HCL

Safety grade: A

A naturally occurring compound found in cells throughout the body, this ingredient helps support skin's natural renewal processes and may improve hydration and firmness when used in skincare products. It works by promoting cellular function to keep skin looking refreshed and healthy.

Graded using: COSING.

Last verified: June 9, 2026