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Diaminopropionoyl Tripeptide-33

What Diaminopropionoyl Tripeptide-33 is & what it does

Diaminopropionoyl Tripeptide-33 is a synthetic signal peptide, a short three-amino-acid chain modified with a diaminopropionoyl group to improve its skin affinity. It is commonly used as a skin-conditioning active in anti-aging and firming formulas, where such peptides are marketed to support a smoother, more refined skin appearance. Peptides are typically used at low concentrations in serums and creams. It is generally considered gentle and well tolerated.

What is Diaminopropionoyl Tripeptide-33?

It is a synthetic signal peptide, a short three-amino-acid chain modified to improve its skin affinity. It is commonly used as a conditioning active in anti-aging and firming products.

What does Diaminopropionoyl Tripeptide-33 do in skincare?

Peptides like this are marketed to support a smoother, firmer-looking skin appearance and are typically used at low concentrations in serums and creams.

Is Diaminopropionoyl Tripeptide-33 safe?

It is generally considered gentle and well tolerated at the low levels used in cosmetics, with no specific concerns flagged.

Sunscreens with Diaminopropionoyl Tripeptide-33

We rate 3 sunscreens that contain it:

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