Rate My SPF

Polyglyceryl-3 PCA

What Polyglyceryl-3 PCA is & what it does

Polyglyceryl-3 PCA is an ester combining polyglycerin-3 with PCA (pyrrolidone carboxylic acid, a natural moisturizing factor). It functions as a humectant and skin-conditioning agent, drawing and holding water to help keep skin hydrated and supple. It is a plant-derived, mild ingredient often chosen for gentle moisturizers and serums. No concerns are listed for it here.

What is Polyglyceryl-3 PCA?

Polyglyceryl-3 PCA combines polyglycerin-3 with PCA, a natural moisturizing factor. It is a plant-derived humectant and skin-conditioning agent.

What does Polyglyceryl-3 PCA do in skincare?

It draws and holds water to help keep skin hydrated and supple, which is why it appears in moisturizers and serums.

Is Polyglyceryl-3 PCA safe?

It is generally considered a mild, well-tolerated ingredient, and no concern is flagged for it in this catalog.

Sunscreens with Polyglyceryl-3 PCA

We rate 4 sunscreens that contain it:

← All ingredients