What it is
Tripeptide-32 is a synthetic peptide made with 3 amino acids: proline, serine, and threonine.
What it does
Tripeptide-32 has water-binding properties. That means it keeps skin hydrated by preventing water loss.
According to its patent, this peptide can turn on and off genes responsible for repairing the skin at different times of the day and night. However, there is no independent research confirming it does this when applied topically to the skin.
Tripeptide-32 is generally considered to be safe.
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