An alkaline inorganic sodium silicate used as a buffering and chelating agent.
What it is
Sodium metasilicate is an inorganic sodium salt of silicic acid that forms alkaline solutions in water. CosIng lists it as an anticorrosive, buffering and chelating agent.
Where it is used
Found in hair bleaching powders, hair dye products and some cleansing 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 amount used or the resulting pH of the product.
Functions
- Anticorrosive
- Preventing and or inhibiting the corrosion of the packaging material.
- 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.
- Chelating
- Forming complexes with metal ions which could affect the stability and/or appearance of cosmetics.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (11)
- BLONDME Clay Lightener 350 g · Schwarzkopf Professional
- Brite Organix Vegan Bleach Kit 1 pack · Brite
- Clairol Colour Strong 8.1 Medium Ash Blonde 1 Pack · Clairol
- Clairol Colour Strong Hair Dye Light Ash Blond 9.1 each · Clairol
- Clairol Colour Strong Hair Dye Light Brown 6.0 each · Clairol
- Clairol Colour Strong Hair Dye Medium Brown 5.0 each · Clairol
- Clairol Colour Strong Hair Dye Dark Brown 4.0 each · Clairol
- Nice 'n Easy Root Touch-Up Permanent Hair Color, 4R Dark Auburn · Clairol
- Schiuma da barba · Intesa
- Shaving Cream (Sensitive Skin, with Green Tea and Oatmeal) · Proraso
- Blue Flash Powder Lightener · Salon Care