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LJ HairLab

Gluconolactone

Preservative CG-friendly

A mild acid that supports preservation, usually paired with sodium benzoate.

How our checker rates it

ModeRatingWhy
Curly Girl OK No concerns for this mode.
Relaxed hair OK No concerns for this mode.
Low porosity OK No concerns for this mode.
Protein-sensitive OK No concerns for this mode.

Ratings assume it is listed near the top of the label. After the first preservative or fragrance (likely 1% or less) most cautions soften.

What preservative ingredients do

Keep water-based products free of mold and bacteria. Usually used at well under 1%.

Check a whole product Paste the full ingredient list to see every flag at once.

Similar ingredients

Sources

Last data update:

  1. Cosmetic Ingredient Review (CIR). Ingredient safety assessments. Safety assessments for cosmetic ingredients cited on ingredient pages.

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