Regulatory Status
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Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Mineral composition varies dramatically by source (pH, sulfur, silica, heavy metals); mandatory testing for heavy metals (arsenic, mercury, lead) per source; sulfur-containing variants require concentration documentation.
Frequently Asked Questions
Is Onsen-Sui (Hot Spring Water) safe in cosmetics?
Mineral composition varies dramatically by source (pH, sulfur, silica, heavy metals); mandatory testing for heavy metals (arsenic, mercury, lead) per source; sulfur-containing variants require concentration documentation. The EU classifies Onsen-Sui (Hot Spring Water) as "permitted". Safety rating: EXCELLENT.
Is Onsen-Sui (Hot Spring Water) allowed in the EU?
Onsen-Sui (Hot Spring Water) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Onsen-Sui (Hot Spring Water) do in cosmetics?
Onsen-Sui (Hot Spring Water) functions as: Skin conditioning, healing agent, anti-acne (sulfur-containing variants). It is classified as a cosmetic ingredient in our database. CAS number: 7732-18-5 (water).
What is the Margin of Safety for Onsen-Sui (Hot Spring Water)?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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