Potassium Phosphate
Potassium Phosphate
Also known as: Dipotassium Phosphate · Monopotassium Phosphate
pH adjuster
“A buffer that holds a formula at skin-friendly pH.”
What it does
Potassium phosphate and its dipotassium form are used as buffers, holding a product within the mildly acidic range skin prefers. Getting pH right matters a great deal for how a formula performs and how it feels, but the buffer itself has no effect on skin.
Benefits
- Keeps a formula at a pH skin tolerates
- Improves the stability of pH-sensitive actives
How to layer
☀️ Morning routine
Cleanser
Toner
Serum
Moisturiser
SPF
🌙 Evening routine
Cleanser
Toner
Serum
Moisturiser
Face Oil
After cleansing, before moisturiser
Good for
All skin
How to use
A base ingredient. No special application needed.
Typical concentration: Under 1% in formulations