INCI name

THREONINE

Threonine

An amino acid used for skin conditioning.

What it is

Threonine is an amino acid. In cosmetics it is used as a skin- and hair-conditioning ingredient, often in blends that mimic the natural moisturising factor.

Where it is used

Moisturisers, serums and hair care.

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.

Functions

Antistatic
Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
Hair conditioning
Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
Hair waving or straightening
Modifying the chemical structure of the hair, allowing it to be set in the style required (permanent waves or hair straightening).

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (300)

Check a full ingredient list