Other
Disodium Phosphate
Phosphate buffer that helps maintain a stable pH in aqueous formulations. Disodium Phosphate is often used in serums, toners, cleansers, and products where actives or preservatives are sensitive to pH.
bufferpH controlphosphatestability
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5
What is it?
Disodium Phosphate - sodium phosphate salt. In cosmetics, it works as a buffer/pH adjuster, helping the formula remain stable within the desired pH range.
Serums, toners, cleansers, enzyme formulas, active care, products with an aqueous phase, and pH-sensitive systems.
Key Benefits
Controls pH
Helps maintain the acid-base balance of the formula.
Supports the stability of actives
In some products, pH is critically important for actives, preservatives, or texture.
Works as an invisible support
Usually does not provide a noticeable effect on the skin but helps the product work correctly.
Suitable for
Main Actions
Non-cosmetic phosphate
Disodium Phosphate is added for pH and stability, not for nourishing the skin with minerals.
Frequently Asked Questions
What does Disodium Phosphate do for skin?
Serums, toners, cleansers, enzyme formulas, active care, products with an aqueous phase, and pH-sensitive systems.
Who should use Disodium Phosphate?
Disodium Phosphate is suitable for: serums, toners, cleansing, active formulas.
Are there any warnings about Disodium Phosphate?
Disodium Phosphate is added for pH and stability, not for nourishing the skin with minerals.
Check if this ingredient works for your skin — analyze your full product formula for free.
Analyze your product