INCI name

BUTYLPARABEN

Butyl 4-hydroxybenzoate

A paraben preservative.

What it is

Butylparaben is the ester of butyl alcohol and p-hydroxybenzoic acid. It belongs to the parabens and helps protect products against microbial growth. CosIng lists it as a preservative and fragrance ingredient.

Where it is used

Found in some creams, lotions, makeup and rinse-off products, often together with other parabens.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

It is listed in Annex V of Regulation (EC) No 1223/2009; see the EU regulation section for the applicable limits. The label does not show the concentration actually used.

Functions

Fragrance
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
Preservative
Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.

EU regulation

EU · Annex V, entry 12 aButyl 4-hydroxy­benzoate and its salts Propyl 4-hydroxy­benzoate and its salts
Maximum concentration
- 0,14% (as acid) for the sum of the individual concentrations - 0,8% (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14%
Conditions and warnings
For leave-on products designed for children under three years of age: "Do not use on the nappy area"
As of
3 November 2026 · (EC) 2014/1004

Safety Gate alerts (EU)

1 alerts about dangerous cosmetics in the EU mention this substance. An alert concerns a specific product, usually one that breaks EU rules.

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Scientific opinions (SCCS)

Opinions of the EU Scientific Committee on Consumer Safety that mention this ingredient. They assess specific uses and concentrations; read the opinion for its scope.

Products with this ingredient (87)

Check a full ingredient list