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INGREDIENT DICTIONARY
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Citric Acid (Anhydrous)

INCI: Citric Acid / CAS #: 77-92-9

Citric acid is an acid used in cosmetic formulations primarily for pH adjustment.

Key benefits

  • Precise pH control
  • Supports formulation stability
  • Widely compatible
  • Easy to use

Behaviour in formulations

Lowers pH and helps maintain stability of formulations.

Dissolve in water before addition. Add slowly while monitoring pH.

Use level considerations

Use Rate (Min): 0.05
Use Rate (Max): 2.0

  •  pH adjustment: 0.05–0.5%
  • Mild exfoliation: 0.5–2%

Used in solution and adjusted gradually to reach target pH.

Starter Use Rate: 0.1–0.5% for most cosmetic formulations

Typically used at 0.05–2% depending on function.

Formulation summary

Citric acid is used primarily as a pH adjuster in cosmetic formulations.

It is typically prepared as a solution and added incrementally to achieve the desired final pH. It does not provide primary exfoliation at typical use levels, but can contribute mild AHA activity in certain formulations.

Quality notes

Cosmetic-grade citric acid with high purity and low impurity profile, supporting consistent formulation performance. 

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