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Gamma-Undecalactone

What Gamma-Undecalactone is & what it does

Gamma-Undecalactone is a synthetic or naturally occurring lactone compound used as a fragrance ingredient, recognizable for its peach-like, fruity aroma. In cosmetic and sunscreen formulas it serves only to scent the product and is present at very low levels. As a designated fragrance material it is one of the components that can be subject to allergen labeling in some markets.

What does Gamma-Undecalactone do in skincare?

Gamma-Undecalactone is used as a fragrance ingredient, recognizable for its peach-like, fruity scent. In skincare and sunscreen products it serves only to scent the formula and is present at very low levels. It does not have a skin-treatment role.

Is Gamma-Undecalactone safe?

Gamma-Undecalactone is a commonly used fragrance material employed at low levels in cosmetics. Like other fragrance ingredients, it can be a consideration for people who are sensitive to fragrance. If you are prone to fragrance reactions, reviewing the ingredient list and patch testing is sensible.

Is Gamma-Undecalactone natural or synthetic?

Gamma-Undecalactone can occur naturally in some fruits, but the material used in cosmetics is usually produced synthetically for consistency and purity. Both natural and synthetic versions are the same defined compound. The label may not specify which source was used.

Sunscreens with Gamma-Undecalactone

We rate 9 sunscreens that contain it:

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