Formaldehyde ZYNATIVE ZY-421 INCI: 1, 2-hexanediol ZYNATIVE ZY-421 has a broad spectrum of anti-corrosion activity, has good compatibility, good transparency, mild and non-heating. Application: Suitable for baby care, facial mask and other products Recommended dosage: 0.2-5% Usage: Add late ingredients Physical and chemical index: entry Index requirement appearance Colorless transparent liquid smell Characteristic smell Content (%) > 95.0 Moisture content (%) < 0.5 Refractive index 1.437-1.447 ZYNATIVE ZY-306   INCI: p-hydroxyacetophenone   ZYNATIVE ZY-306 can be antiseptic and effective, does not contain impurities, and can be combined with other preservatives to reduce its dosage. Product application: Suitable for all kinds of cosmetic products Recommended dosage: 0.1-1% Usage: Soluble in 70-80℃ hot water, low alcohols and diols   Physical and chemical index: entry Index requirement appearance White powder Moisture (%) ≤1.00 Melting point (℃) 107.0-110.0 Content (%) ≥99.0 ZYNATIVE ZY-594 INCI: 1, 2-pentanediol ZYNATIVE ZY-594 colorless and odorless, wide application range,…