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Preservative Systems with Organic Acids
Product Name INCI Name Use Level % pH Max. Conc. Max Admitted % Natural Certified Cosmetics1 General Properties
EU ASEAN USA, Brazil Japan
Roya K Phenoxyethanol
Water
Potassium Sorbate 		0.4-1.0 6.0 1.5 1.5 1.5 Not Permitted
  • Liquid system
  • Broad spectrum against bacteria & fungi
  • Global approval without restrictions
Roya NK Phenoxyethanol
Water
Sodium Benzoate
Potassium Sorbate
0.5-1.2 5.5 2.2 2.2 2.2 Not Permitted
  • Liquid system
  • Broad spectrum against bacteria & fungi
  • Mild preserving system for extremely delicate and sensitive skin
  • Global approval without restrictions
Roya PBD Phenoxyethanol
Benzoic acid
Dehydroacetic acid
0.5-1.2 6.0 1.25 1.25 1.25 Not Permitted
  • Liquid system
  • Broad spectrum against bacteria & fungi
  • Largely used in cosmetics
  • Global approval, not permitted in aerosols in EU
Roya E Benzyl Alcohol
Water
Potassium Sorbate
Sodium Benzoate 		0.5-1.0 5.5 6.6 2.0 4.4 Permitted
  • Liquid system
  • Broad spectrum against bacteria & fungi
  • Global approval & natural cosmetics
Roya DHA Benzyl alcohol
Dehydroacetic acid
Water 		0.2-0.8 6.5 1.15 Admitted 6.25 Permitted
  • Liquid system
  • Broad spectrum against bacteria & fungi
  • Global approval, not permitted in aerosols in EU
  • Allowed in natural cosmetics
Roya BS Water
Potassium Sorbate
Sodium Benzoate 		0.2-1.0 5.5 1.96 Admitted 3.3 Permitted
  • Liquid system
  • Broad spectrum particularly effective against fungi
  • Based on food-grade preservatives
  • Global approval & natural cosmetics

Notes: 1 permitted in natural & organic cosmetics certified by Ecocert, soil association, BDIH, ICEA/AIAB, cosmos, nature.

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