Dipotassium Phosphate
What Dipotassium Phosphate is & what it does
Dipotassium Phosphate is a potassium salt of phosphoric acid used widely as a cosmetic ingredient. In skincare and sunscreen formulas its main role is as a buffering agent that helps keep the product at a stable, skin-friendly pH. A notable property is that it is highly water-soluble and contributes to the formula's chemistry rather than acting as a skincare active.
What does Dipotassium Phosphate do in skincare?
Dipotassium Phosphate works mainly as a buffering agent in cosmetic formulas. It helps keep the product at a stable, skin-friendly pH. It supports the formula's chemistry rather than acting as a skincare active.
Is Dipotassium Phosphate safe?
Dipotassium Phosphate is a common pH-adjusting and buffering salt used at low levels in cosmetics. Its safety in a product depends on concentration and the overall formula. If you have specific sensitivities, reviewing the full ingredient list or patch testing is advisable.
Is Dipotassium Phosphate natural or synthetic?
Dipotassium Phosphate is typically a manufactured mineral salt, produced from phosphoric acid and a potassium source. While its elements occur in nature, the cosmetic-grade ingredient is generally synthesized. It is used in purified form for consistency.
Sunscreens with Dipotassium Phosphate
We rate 10 sunscreens that contain it:
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Sungboon Editor Green Tomato Pore Blurring Suncream
92/100
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Azio Beauty Age Defy Tinted SPF Perfector
87/100
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Goodal Heartleaf Soothing Green Tone Up Sun Cream
82/100
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Dr. Jart+ Cicapair ™ Tiger Grass Camo Drops Color Corrector SPF 35
78/100
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JM Solution Baby Fresh Sun Cream 40 PA+++
78/100
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Élève Bronzage Anti-aging Sun Face Cream
73/100
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Sesderma Azelacru Fluido Luminoso Despigmentante SPF 50+
72/100
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Sesderma Azelac Ru Luminous Fluid Cream SPF 50
72/100
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La Colline Cell White Protector SPF 25
70/100
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Sesderma C-Vit CC Cream SPF 15
59/100