Ingredient dictionary

1,2-hexanediol is a synthetic ingredient with multiple benefits in a cosmetic, from preservative to solvent.

Safe, well-tolerated preservative that can also be used to achieve an ideal pH.

Compound used as a preservative in cosmetics. It is generally considered less sensitising.

A synthetic preservative uses in amounts of 0.6% or less. Sometimes its salt form (known as sodium dehydroacetate) is used, as it is more soluble in certain types of cosmetic formulas.

Parabens are a group of controversial preservatives.

This preservative is used to prevent the growth of bacteria and fungi in cosmetics and food products. It’s derived from benzoic acid.

An organic salt used in low amounts as a preservative to prevent formulary spoilage.

Cosmetic preservative and United States-recognized over-the-counter drug popular in anti-dandruff shampoos as well as other personal care products.

Preservative used in cosmetics.

A preservative that can be naturally derived or made synthetically. It prevents the growth of bacteria, mold, and fungi and is considered safe as used in cosmetics.

Skin-softening agent with hydration boosting properties. Also plays an important preservative role to help keep cosmetic formulas stable.

Parabens are a group of controversial preservatives.

Preservative used in cosmetics to prevent contamination, particularly in water-based formulas.

Group of preservatives, including butylparaben, propylparaben, methylparaben, and ethylparaben.

Safe preservative known to be well-tolerated by skin; offers wide spectrum protection against unwanted microbials in a formula.

Alcohol used as a solvent and preservative.

May have skin soothing and restoring benefits.

Parabens are a group of controversial preservatives that include butylparaben.

Synthetic polymer that functions as a preservative.

Conditions skin and hair and is a moisturising ingredient in many skin care products. Because of its antibacterial action, it also is an effective cosmetics preservative.

This preservative, which can be naturally derived, is often used in conjunction with others because of its weak activity. It also is used to help preserve foods like dried meats and cheeses.

This preservative helps improve the shelf life and stability of cosmetics.

A synthetic preservative that is typically used in concentrations of 0.1% or less.

Substances used in cosmetics to help defend against contamination of products.