Essential Cleaner
A gentle daily cleanser that prepares skin to fully absorb the active ingredients in OS-01 FACE.
PREP optimizes peptide penetration
The amount of OS-OI peptide was measured in the dermis of ex vivo human skin samples from a 54 year old donor after being treated with OS-01 FACE (no pre-cleanse), or pre-cleansed with PREP then treated with OS-OI FACE.