ph adjuster

Glucono Delta Lactone (GDL)

INCI: Glucono Delta Lactone or Gluconolactone

What is it?

Glucono delta lactone (GDL) is made by oxidizing glucose into gluconic acid, then cyclizing it into a lactone form. It's typically used in formulations as a gentle, gradual pH adjuster and mild chelator.

How is it used?

Dissolve it into the water phase and wait at least an hour before taking a final pH reading, since its effect develops gradually.

Forms

Available forms and grades affect how this ingredient behaves and how it should be selected for a formula.

Appearance

Color, texture, and physical characteristics can vary between suppliers and product grades.

Usage rate

Recommended incorporation levels depend on product type, supplier guidance, and the intended result.

Why we use it

Formulators choose this ingredient for specific performance, sensory, and stability benefits.

Strengths and limitations

Its advantages, compatibility considerations, and practical tradeoffs should be weighed during development.

Alternatives and substitutions

Possible replacements depend on the ingredient's role, desired skin feel, and formulation system.

Storage and shelf life

Appropriate storage conditions help protect quality and performance throughout the ingredient's usable life.

Glucono Delta Lactone (GDL)

What is it?

How is it used?

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