Traditional preservatives

White granular powder with low characteristic odor

Water-soluble

Powder preservative blend of DMDM Hydantoin and IPBC for easy incorporation into anhydrous or powder-based formulations, delivering broad-spectrum protection against bacteria and moulds.

DMDM Hydantoin: 6440-58-0; Iodopropynyl Butylcarbamate: 55406-53-6

Clear liquid with low characteristic odor

Water-soluble

Liquid preservative blend combining DMDM Hydantoin with IPBC, offering robust broad-spectrum protection against bacteria, yeasts, and moulds in rinse-off and leave-on personal care formulations.

DMDM Hydantoin: 6440-58-0; Iodopropynyl Butylcarbamate: 55406-53-6

Water-soluble

Low free formaldehyde DMDM Hydantoin grade providing broad-spectrum preservation with reduced formaldehyde release, suitable for rinse-off and leave-on formulations with strict formaldehyde limits.

6440-58-0

Almost colourless, clear liquid

Water-soluble

Halogenated antimicrobial active in propylene glycol, offering broad-spectrum bactericidal and fungicidal action in rinse-off cosmetics, industrial biocide applications, and preservation systems.

5-Bromo-5-nitro-1,3-dioxane: 30007-47-7; Propylene Glycol: 57-55-6

Clear, slightly yellow liquid with characteristic odour

Miscible with water and propylene glycol

Highly effective biocide and preservative with broad-spectrum activity against bacteria and fungi, used at low concentrations in rinse-off and industrial cosmetic formulations.

2682-20-4

Clear, colorless to slightly yellow liquid with characteristic odour

Water-soluble

Industry-standard isothiazolinone blend (MCI/MI, 3:1 ratio) providing effective broad-spectrum preservation in rinse-off personal care and household products at low use levels.

Methylchloroisothiazolinone: 26172-55-4; Methylisothiazolinone: 2682-20-4

Clear, colourless or slightly yellowish liquid

Water-soluble

Ready-to-use preservative blend of benzyl alcohol with MCI/MI, offering broad-spectrum antimicrobial protection in rinse-off personal care, household, and industrial product formulations.

Benzyl Alcohol: 100-51-6; Methylchloroisothiazolinone: 26172-55-4; Methylisothiazolinone: 2682-20-4

Colourless liquid

Water-soluble

Liquid preservative blend combining diazolidinyl urea and IPBC in propylene glycol, offering broad-spectrum protection against bacteria, yeasts, and moulds in personal care formulations.

Diazolidinyl Urea: 78491-02-8; Iodopropynyl Butylcarbamate: 55406-53-6

White fine powder with mild typical odour

Soluble in water; sparingly soluble in propylene glycol and glycerol; slightly soluble in alcohol

Formaldehyde-releasing preservative with broad-spectrum efficacy against bacteria and fungi, used in leave-on and rinse-off personal care formulations across a wide concentration range.

78491-02-8

White odorless powder

Soluble in water and glycerin; sparingly soluble in propylene glycol

Formaldehyde-releasing preservative offering broad-spectrum antimicrobial activity against bacteria and fungi, used in rinse-off and leave-on formulations across a wide pH range.

39236-46-9

Colorless to light yellow viscous fluid

Soluble in alcohols, glycols and polar oils; slightly soluble in water

Complete broad-spectrum preservation system combining phenoxyethanol with four parabens, providing robust antimicrobial coverage across bacteria, yeasts, and moulds in cosmetic formulations.

Phenoxyethanol: 122-99-6; Methyl Paraben: 99-76-3; Propyl Paraben: 94-13-3; Ethyl Paraben: 120-47-8; Butyl Paraben: 94-26-8

Colorless liquid

Freely soluble in water; sparingly soluble in alcohol

Phenoxyethanol-based preservative blend with methylparaben and ethylparaben, offering broad-spectrum protection against bacteria and fungi in leave-on and rinse-off formulations.

Methyl Paraben: 99-76-3; Ethyl Paraben: 120-47-8; Phenoxyethanol: 122-99-6

White crystalline powder

Freely soluble in water; sparingly soluble in alcohol

Water-soluble sodium salt of ethylparaben used as a preservative in aqueous cosmetic formulations, offering antimicrobial efficacy with improved solubility over free ethylparaben.

35285-68-8

Colourless to slightly yellow viscous liquid

Soluble in Ethanol, Isopropanol, Propylene glycol and Acetone

Broad-spectrum paraben-phenoxyethanol preservative blend offering effective protection against bacteria, yeasts, and moulds across a wide range of cosmetic product types and pH ranges.

Phenoxyethanol: 122-99-6; Methyl Paraben: 99-76-3; Propyl Paraben: 94-13-3; Ethyl Paraben: 120-47-8

Colorless slightly viscous liquid

Miscible with Acetone, Ethanol (96.0%) and Glycerol

Widely used cosmetic preservative and solvent with broad-spectrum antimicrobial activity, good skin compatibility, and versatile use across rinse-off and leave-on personal care formulations.

122-99-6

Clear light yellow viscous liquid

Soluble in Propylene glycol

Multifunctional broad-spectrum preservative blend combining parabens, phenoxyethanol, and isothiazolinone for effective protection across a wide range of cosmetic formulations.

Methyl Paraben: 99-76-3; Propyl Paraben: 94-13-3; Diazolidinyl Urea: 78491-02-8; Propylene Glycol: 57-55-6

Clear yellow liquid

Soluble in water and glycols

Blend of methylchloroisothiazolinone and methylisothiazolinone in a 3:1 ratio, offering broad-spectrum preservation in rinse-off personal care, household, and industrial formulations.

Methylchloroisothiazolinone: 26172-55-4; Methylisothiazolinone: 2682-20-4

White to off-white crystalline powder

Freely soluble in Ethanol (96%), Acetone, Methanol, Ether and Propylene glycol

Paraben ester with broad-spectrum antimicrobial efficacy, used as a secondary preservative in combination systems for creams, lotions, and other personal care formulations.

120-47-8

White or almost white crystalline powder

Freely soluble in Ethanol (96%), Methanol, Acetone, Ether and Propylene glycol

Long-chain paraben with strong antimicrobial activity, particularly against fungi, used in combination preservative systems in rinse-off and leave-on personal care products.

94-26-8

White to off-white crystalline powder

Freely soluble in water; sparingly soluble in ethanol (96%)

Sodium salt of propylparaben with improved water solubility, used as a broad-spectrum preservative in aqueous and emulsion-based cosmetic formulations.

35285-69-9

White or off-white crystalline powder

Freely soluble in Ethanol (96%), Methanol and Ether

Effective paraben preservative used in combination systems, offering good antimicrobial activity against moulds and bacteria with a well-established cosmetic safety profile.

94-13-3

White to off-white crystalline powder

Freely soluble in water; sparingly soluble in ethanol (96%)

Sodium salt of methylparaben with enhanced water solubility, used as a preservative in aqueous cosmetic systems where free paraben solubility is a formulation challenge.

5026-62-0

White or almost white crystalline powder

Freely soluble in Ethanol (96%) and Methanol

Most widely used paraben preservative offering effective broad-spectrum antimicrobial activity, good stability, and long safety record in rinse-off and leave-on cosmetic formulations.

99-76-3

Clear liquid

Water-soluble

Formaldehyde-releasing preservative providing effective broad-spectrum antimicrobial protection against bacteria and fungi in rinse-off and leave-on personal care formulations.

6440-58-0

White / off-white / Pale cream colored Powder

Slightly soluble in water; soluble in hot water by stirring and other solvents like ether; freely soluble in alcohol

Broad-spectrum antimicrobial preservative and antifungal agent with activity against bacteria, yeasts, and moulds, used in rinse-off personal care products and as a cosmetic preservative.

104-29-0