Gluconolactone

GLOO-koh-no-LAK-tone

Chelating Agent, Humectant, pH Adjuster 9/10 Safety CG ApprovedClean Natural Vegan

What Is Gluconolactone?

A polyhydroxy acid (PHA) that provides gentle exfoliation, chelation, and antioxidant benefits. Milder than AHAs and BHAs, it is suitable for sensitive scalps and gentle scalp exfoliation.

Source: Derived from glucose by oxidation

Origin: Natural

Also known as: PHA, Glucono Delta-Lactone, GDL

What Does Gluconolactone Do to Your Hair?

Provides gentle chemical exfoliation to the scalp, removing dead skin cells and buildup without the irritation of stronger acids. Also acts as a chelating agent and humectant. Provides antioxidant protection to hair and scalp.

Best For

Sensitive scalp, dandruff-prone scalp, dry scalp, all hair types

Not Recommended For

None known

Concentration Matters

1-5% in products

Hair Type Compatibility

1A Straight Fine
1B Straight Medium
1C Straight Coarse
2A Wavy Fine
2B Wavy Medium
2C Wavy Coarse
3A Curly Loose
3B Curly Tight
3C Curly Corkscrew
4A Coily S-Shaped
4B Coily Z-Shaped
4C Coily Tight

Method Compatibility

Curly Girl (CG) Method: Approved
CG Approved

Safety & Regulation

9/10
AvoidCautionSafe

Very safe and gentle. The mildest chemical exfoliant available due to its large molecular size. Suitable for sensitive skin. Also functions as a natural preservative booster. Non-irritating.

FDA Status: Generally Recognized As Safe

FDA classifies as GRAS for food. Safe for cosmetic use.

EWG Score: 1/10

HairAide Verdict

The gentlest chemical exfoliant for the scalp. If you want scalp exfoliation benefits without any irritation, gluconolactone is the answer. Also provides chelating and antioxidant bonuses.

Products That Contain Gluconolactone

Gentle scalp exfoliants, sensitive scalp treatments, clarifying products, natural preservative systems

Alternatives to Gluconolactone

If you want to avoid Gluconolactone, look for products with these ingredients instead:

Salicylic Acid, Lactic Acid, Mandelic Acid

Frequently Asked Questions

Is Gluconolactone safe for hair?

Yes, Gluconolactone has a safety rating of 9/10 and is generally considered safe for use in hair products. Very safe and gentle. The mildest chemical exfoliant available due to its large molecular size. Suitable for sensitive skin. Also functions as a natural preservative booster. Non-irritating.

Is Gluconolactone bad for curly hair?

Gluconolactone is CG-method approved and is generally considered safe for curly hair.

Is Gluconolactone CG-method approved?

Yes, Gluconolactone is approved for the Curly Girl method.

What can I use instead of Gluconolactone?

Some alternatives to Gluconolactone include: Salicylic Acid, Lactic Acid, Mandelic Acid

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