PRESERVATIVE
Preservative ingredients are essential for cosmetic brands to prevent microbial growth and ensure product safety throughout shelf life. When sourcing preservatives, brands should focus on antimicrobial efficacy, formulation compatibility, and regulatory compliance to support stable, market-ready products.
-
ZLEY®3-METHYL-1,3-BUTANEDIOL
INCI: Isopentyldiol Properties: Isoprene glycol is a versatile cosmetic ingredient with excellent water and oil solubility, providing moisturizing, antibacterial, and reparative benefits while delivering a light, non-greasy feel and being gentle on the skin. Appearance: Colorless transparent liquid Recommended dosage: 0.1%-2% Solubility: Miscible with water and oils -
ZLEY®Biocare-BZDC
INCI: Benzalkonium Chloride Properties: Benzalkonium Chloride is a chlorinated quaternary ammonium compound, belonging to the category of cationic surfactants. Its chemical structure combines an aromatic ring with chlorine, classifying it as an organic ammonium salt containing chlorine. As a preservative or antimicrobial agent, it effectively inhibits the growth of bacteria and fungi, thereby prolonging product shelf life. Appearance: White or Off-White Powder/Solid Recommended dosage: 0.1%~3.0% Solubility: Water-soluble -
ZLEY®BIOCARE-CHA
INCI: Caprylhydroxamic acid Properties: The best antibacterial organic acid. Highly effective in chelation and inhibits the environment needed for microbiome growth. Appearance: White or white like crystalline powder Recommended dosage: 0.05-0.25% Solubility: Soluble in alcohol -
ZLEY®BIOCARE-CP
INCI: CHLORPHENESIN, PHENOXYPROPANEDIOL, PROPANEDIOL, WATER Properties: ZLEY®BIOCARE-CP is a broad-spectrum antibacterial and preservative system scientifically formulated based on chlorinated aromatic alcohol derivatives. Its core characteristics align with the typical functional profile of chlorinated aromatic alcohol compounds. It significantly inhibits common bacteria, molds, and yeasts in cosmetics to prevent product spoilage, while offering mild and low-irritation performance. Appearance: Colorless transparent liquid with a mild characteristic odor. Recommended dosage: 1～2%（≤2%） Solubility: Easily soluble in alcohols. -
ZLEY®BIOCARE-CPH
INCI: Chlorphenesin Properties: CLASSIC EFFECTIVE PRESEVATIVE No odor and irritation. Compatible with numerous preservatives (e.g., otassium sorbate, sodium benzoate, and methylisothiazolinone). The assessments of microbes have all been proven, especially for fungi.
Appearance: white or almost white powder Recommended dosage: 0.1-0.3% Solubility: Soluble in alcohol, soluble in water -
ZLEY®BIOCARE-DHA
INCI: Dichlorobenzyl Alcohol Properties: Chlorinated aromatic alcohol with antimicrobial activity. Commonly used as a preservative agent or antimicrobial intermediate to inhibit the growth of bacteria and fungi in formulations. Appearance: White to off-white crystalline solid Recommended dosage: 0.05–0.5% Solubility: Slightly soluble in water; soluble in alcohols and organic solvents -
ZLEY®BIOCARE-IPMP
INCI: O-Cymen-5-OL Properties: Relieves inflammation, redness, swelling, etc. High efficiency with strong antibacterial ability. Safe and non-irritating. Appearance: White needle-like crystals Recommended dosage: 0.01-0.1% Solubility: Soluble in alcohol, soluble in oil -
ZLEY®BIOCARE-OCT
INCI: Piroctone Olamine Properties: The functions of sterilization, itch relief and deodorization work effectively in toiletries, Shampoo and deodorization products. It also can replace preservatives in cosmetics and lower the cost. Appearance: White crystalline powder Recommended dosage: 0.01-0.5% Solubility: Soluble in alcohol -
ZLEY®BIOCARE-PCH
INCI: Chlorphenesi,Phenoxyethanol,Water,1,2-Hexanediol Properties: ZLEY®BIOCARE-PCH is an innovative broad-spectrum preservative designed to deliver high efficacy, mildness, and user-friendly application. It effectively protects cosmetic formulations from microbial contamination while offering a cleaner safety profile—free from parabens and formaldehyde-releasing agents. This preservative is presented as a colorless clear liquid that dissolves readily in water without the need for additional solubilizers. It remains stable across a wide pH range and withstands high temperatures up to 80°C, ensuring excellent compatibility and thermal stability. Ideal for a variety of skincare, haircare, and gentle product formulations. Appearance: Colorless, clear liquid with a characteristic odor Recommended dosage: 0.5~1% (≤ 1.5%) Solubility: Readily water-soluble & solubilizer-free -
ZLEY®BIOCARE-PE91
INCI: Phenoxyethanol,Ethylhexylglycerin Properties: ZLEY® BIOCARE-PE91 is a highly effective broad-spectrum compounded preservative suitable for all types of cosmetic formulations, providing reliable preservation while maintaining excellent compatibility. Appearance: Colorless, clear liquid Recommended dosage: 0.5-1% Solubility: Readily soluble in water -
ZLEY®BIOCARE-PHA
INCI: Hydroxyacetophenone Properties: Green preservative without any additions. Anti-oxidation, emulsifying stabilizer, and product protective agent. Appearance: White or almost white powder Recommended dosage: 0.05-0.25% Solubility: Soluble in alcohol -
ZLEY®BIOCARE-PPD
INCI: Phenoxypropanediol Properties: Offers excellent compatibility with most ingredients in personal care products, improving formulation stability and enhancing appearance. Appearance: White to off-white crystals Recommended dosage: NMT0.5% Solubility: Soluble in alcohol, soluble in water
