Rate My SPF

Glutamine

What Glutamine is & what it does

Glutamine is an amino acid that occurs naturally in the body and in many proteins. In skincare and sunscreen formulas it works as a skin-conditioning and humectant ingredient, helping support the skin surface and hold moisture. As a small, water-soluble molecule it is also used to support the feel and compatibility of a formula.

Is Glutamine safe?

Glutamine is an amino acid that occurs naturally in the body and in foods, and as a cosmetic ingredient it is generally considered safe and gentle for topical use. It is water-soluble and used as a conditioning agent, so it is unlikely to cause problems for most skin types.

What does Glutamine do in skincare?

In skincare, Glutamine works as a skin-conditioning and humectant ingredient. It helps support the skin surface and attract and hold moisture, contributing to a softer, more hydrated feel.

Is Glutamine vegan?

The Glutamine used in cosmetics is typically produced by fermentation and is suitable for vegan formulas, though it can in principle come from various sources. Whether a finished product is vegan depends on the brand's sourcing and the rest of the formula.

Sunscreens with Glutamine

We rate 6 sunscreens that contain it:

← All ingredients