Potassium Thiocyanate



Potassium Thiocyanate at a glance

  • Synthetic, crystalline potassium salt used to stabilize cosmetics
  • “Salts” are chemical compounds formed by reacting an acid with a base
  • High amounts considered irritating
  • Very low amounts are used in cosmetics

Potassium Thiocyanate description

Potassium thiocyanate is a mineral-derived crystalline salt used in very low amounts to help stabilize cosmetics, extend shelf life, and aid hydration. High amounts of this synthetic ingredient can be irritating to skin and harmful if swallowed; however, cosmetics containing this ingredient do not pose this risk. As a salt ingredient, it’s important to point out that salts are a large group of chemicals made from reacting to an acid with a base. Sodium chloride (common table salt) is one example, potassium thiocyanate is another.

Potassium Thiocyanate references

  • CosmeticAnalysis.com, Accessed March 2022, ePublication
  • PubChem, Accessed March 2022, ePublication

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not Rated