Function

Preservative Hair Ingredients: Complete Guide

Chlorhexidine

6/10 Not CG Controversial
Preservative
Learn more →

Imidazolidinyl Urea

3/10 Not CG Avoid
Preservative
Learn more →

Caprylyl Glycol

9/10 CG Approved Clean
Conditioning Agent, Humectant, Preservative
Learn more →

Sodium Benzoate

8/10 CG Approved Clean
Preservative
Learn more →

Potassium Sorbate

9/10 CG Approved Clean
Preservative
Learn more →

DMDM Hydantoin

3/10 Not CG Avoid
Preservative
Learn more →

Phenoxyethanol

8/10 CG Approved Clean
Preservative
Learn more →

Ethylhexylglycerin

9/10 CG Approved Clean
Conditioning Agent, Preservative
Learn more →

Methylparaben

6/10 CG Approved Controversial
Preservative
Learn more →

Formaldehyde

1/10 Not CG Avoid
Preservative
Learn more →

Download Our Preservative Ingredient Guide

Get a complete breakdown of every preservative ingredient, plus our free printable cheat sheet for shopping.