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Tri sodium citrate

Tri sodium citrate

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Trisodium Citrate is the sodium salt of citric acid, appearing as a white, water-soluble crystalline powder. It primarily functions as a pH buffer, chelating agent, and stabiliser in cosmetic, personal care, pharmaceutical, and food formulations.

In cosmetic applications, it helps maintain optimal pH, improve formulation stability, enhance preservative efficiency, and prevent discoloration caused by trace metals. Due to its mild and skin-friendly nature, it is widely used in cleansers, shampoos, conditioners, creams, lotions, toners, and bath products, making it suitable for natural, sulfate-free, and sensitive-skin formulations.

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INCI Name

Sodium Citrate

Ingredient Origin & Grade

Derived from natural citric acid

Cosmetic Grade

Physical Form

White crystalline powder or granules

Key Benefits

  • pH adjustment and buffering control

  • Enhances formulation stability

  • Improves preservative efficacy

  • Acts as a mild chelating agent

  • Supports skin-friendly formulations


Typical Applications

  • Shampoos and conditioners

  • Face cleansers and body washes

  • Creams and lotions

  • Toners and micellar waters

  • Baby care and sensitive skin products


pH & Formulation Guidelines

  • pH drift in emulsions

  • Boost deodorant efficacy 

  • Use a pH buffer (e.g. Tri-Sodium-Citrate)

  • - Formulate at a lower pH (~ 5) - Combine with other deodorant actives, such as • Antimicrobial deodorant active

  • -Add odour-absorbing agents,

  •  Viscosity-reducing effects in surfactant-based systems

  •  Use additional rheology modifiers and/or gelling agents

Typical usage level: 1.0-5.0%

Add to the water phase

How It Works

Trisodium Citrate regulates and stabilises pH, binds metal ions, and improves formulation stability, ensuring consistent product performance and enhanced mildness.

Safety & Storage

  • Cosmetic ingredient for external use only

  • Non-toxic and biodegradable

  • Store in a cool, dry place, tightly closed

Shelf life: Typically 24 months