Researched by Helena DeMaria-Williams
Formula IngredientBuffering AgentINCI: Trisodium Citrate
Sodium citrate (trisodium citrate) is a salt of citric acid used primarily as a pH buffering agent and chelating agent in cosmetic formulations. It adjusts and stabilises the pH of products while also neutralising metal ions that can destabilise formulas. It is a widely used helper ingredient across skincare, haircare, and cleansing products.
Category
Buffering Agent
Irritation Risk
Low
Skin Types
all skin types
pH buffering, chelating, formula stabilisation, metal ion neutralisation
Sodium citrate is well tolerated at typical cosmetic concentrations and is considered non-irritating. It is also widely used in food and pharmaceuticals. No EU CosIng Annex II or III restrictions apply.
Sodium citrate does not increase photosensitivity. No sun protection precautions are required.
Sodium citrate is a food-grade salt of citric acid with a long history of safe use in food, pharmaceuticals, and cosmetics. No reproductive or developmental concerns are noted.
Sodium citrate (trisodium citrate) is a salt of citric acid used primarily as a pH buffering agent and chelating agent in cosmetic formulations. It adjusts and stabilises the pH of products while also neutralising metal ions that can destabilise formulas. It is a widely used helper ingredient across skincare, haircare, and cleansing products.
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