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Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine

What Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine is & what it does

Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine is a synthetic lipopeptide, a short peptide chain attached to palmitic acid (a fatty acid). In skincare and sunscreen formulas it is used as a skin-conditioning peptide marketed to support the look of firmness and smoothness. A notable property is that the palmitoyl (fatty) anchor improves the peptide's affinity for the skin surface and its delivery within the formula.

What does Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine do in skincare?

It is a skin-conditioning peptide marketed to support the appearance of firmness and smoothness. The palmitoyl (fatty) part helps the peptide stay close to and penetrate the skin surface within a formula.

Is Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine safe?

Palmitoylated peptides like this are used at low levels in cosmetics and are generally regarded as well tolerated for topical use. Individual reactions can vary, so patch testing is reasonable. We cannot give medical advice, so consult a professional for specific concerns.

Is Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine vegan?

The ingredient is a synthetic peptide and does not have to come from animals, and most cosmetic-grade peptides are made synthetically. Vegan status of a finished product still depends on the full formula and brand certification, so check the label if that matters to you.

Sunscreens with Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine

We rate 6 sunscreens that contain it:

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