A dicarboxylic acid used as a buffering agent.
What it is
Maleic acid ((2Z)-2-butenedioic acid) is an unsaturated dicarboxylic acid, the cis isomer of fumaric acid. CosIng lists it as a buffering agent.
Where it is used
Found in hair treatments and other hair care products.
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.
The label does not show the concentration used or the pH of the product.
Functions
- Buffering
- Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (8)
- Colourless Extra Hair Colour Remover · Revolution
- Moisturizing Elixir Ultra Sensitive · Balea med
- Micellar Water Combination Skin Prickly Pear · Balea
- Micellar Water Dry Skin · Balea
- Face Cream Ultra Sensitive SPF 50 · Balea
- Sunclean Sonnenmilch LSF 30 · Sun Ozon
- Solait 50+ kids · Kruidvat
- Bond Ultim8 · Matrix