Description

Geogard™ ECT, also known as Preservative ECO, Mikrokill ECT, or Plantaserv M, is a versatile, broad-spectrum preservative system designed for modern, natural formulations.
It combines benzyl alcohol, salicylic acid, glycerin, and sorbic acid, a synergy that delivers powerful antimicrobial protection while maintaining a gentle, low-odor profile.

This preservative is ECOCERT- and COSMOS-approved, NPA-compliant, and accepted globally for use in personal care and cosmetic products.
It is free from parabens, phenoxyethanol, isothiazolinones, and formaldehyde, making it an excellent choice for clean beauty, sensitive-skin, and fragrance-free formulations.

Technical Details

INCI Name: Benzyl Alcohol, Salicylic Acid, Glycerin, Sorbic Acid
Country of Origin: USA
Purity: 100% Pure
Appearance: Clear to pale yellow liquid
Odor: Low-odor profile, virtually fragrance-free
Solubility: Water-soluble (up to 1.2%)
pH Compatibility: 3 – 8
Recommended Usage Rate: 0.5 – 1.0% (formulation testing recommended to confirm efficacy)
Certifications: ECOCERT, COSMOS, NPA

Performance & Benefits

Natural Preservation, Broad Protection

• Provides broad-spectrum antimicrobial activity against Gram-positive and Gram-negative bacteria, yeast, and mold.

• Effective across a wide pH range (3 – 8), suitable for most skin, hair, and body care systems.

 Clean Beauty Compliant

• Free from parabens, phenoxyethanol, isothiazolinones, and formaldehyde.

• Certified by ECOCERT & COSMOS, making it ideal for natural and organic formulations.

 Formulator-Friendly Versatility

• Compatible with emulsions, surfactant systems, and anhydrous bases.

• Excellent performance in creams, lotions, serums, shampoos, conditioners, styling gels, and sun care formulations.

• Works well in both leave-on and rinse-off applications.

 Sensory Benefits

• Low odor and virtually fragrance-free, perfect for fragrance-sensitive or unscented systems.

• Non-irritating with an excellent safety profile, even at higher use levels within the recommended range.

Applications

Recommended for use in:

• Face and body creams

• Serums and lotions

• Hair conditioners and shampoos

• Styling gels and leave-in treatments

• Lip care, sun care, and baby care products

• Color cosmetics and natural formulations

Formulator’s Note

 Geogard™ ECT performs best when added during the cool-down phase (below 40°C) to maintain full antimicrobial efficacy. Pair with chelating agents like Sodium Phytate or Sodium Gluconate for boosted performance in challenging formulations.

Storage

Storage: Keep sealed and store in a cool, dry environment away from direct sunlight.

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