Microcare DB, Ecocert compliant
This product can be used as a direct substitute for Geogard 221. INCI is the same.
Microcare DB is a mild yet reliable broad-spectrum preservative suitable for a wide range of natural and ECOCERT-compliant personal care formulations. It is effective against bacteria, yeasts and moulds, making it a versatile option for both rinse-off and leave-on products.
Microcare DB has the same INCI as Geogard 221 and can be used as a direct substitute in formulations where Geogard 221 would traditionally be specified. This makes it a familiar and practical choice for formulators looking for a well-established preservative system.
This preservative system works through a combination of benzyl alcohol, which provides antibacterial protection, and dehydroacetic acid, which helps inhibit yeasts and moulds. Together, they provide broad-spectrum preservation when used correctly and within an appropriate pH range.
Microcare DB performs best in formulations with a final pH below 6, with optimal effectiveness typically seen around pH5–5.5.
How to Use Microcare DB
Microcare DB is typically added during the cool-down phase of formulation to help minimise evaporation of the benzyl alcohol component.
- Usage rate: 0.2–1% of the total formulation
- Recommended pH: below 6 (ideal around pH5–5.5)
- Max working temperature: 60°C
Always ensure the preservative is fully dispersed and check the final pH of your product, as preservative effectiveness is strongly pH-dependent.
Microcare DB is suitable for formulations containing anionic, non-ionic and cationic ingredients and works well in emulsions and surfactant-based systems.
Preservatives are not required for fully anhydrous (water-free) products such as pure oils or balms, unless there is a realistic risk of water contamination during use.
Typical Applications
- Face and body creams
- Shampoos and hair conditioners
- Styling gels
- Liquid soaps and hand washes
- Bath and shower gels
Common Name: Microcare DB
INCI: Benzyl Alcohol (&) Dehydroacetic Acid (&) Aqua
Certification: ECOCERT compliant
Appearance: Yellow to amber liquid
Origin: China or Spain (depending on availability)
Solubility: Limited solubility in water, oil soluble
Usage Rate: 0.2–1%
Effective pH Range: Below 6 (optimal around pH5–5.5)
Max Working Temperature: 60°C
Vegan: Yes
Animal Tested: No
GMO: No (Non-GMO)
Additional Notes
Microcare DB is a nature-identical preservative system commonly accepted in natural and organic cosmetic formulations and is free from parabens, formaldehyde donors and isothiazolinones.
Benzyl alcohol is a declarable ingredient in finished cosmetic products in some regions, so please ensure your final labelling complies with local cosmetic regulations.
All our products are for external use only.
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General Care, Safety & Storage Information:
- Go Native New Zealand specialise in skincare, cosmetic and aromatherapy ingredients. We are NOT licensed to sell food. This means our products are not food grade, for this reason we advise you not to use our products internally, or for culinary purposes
- Always follow product-specific notes or directions.
- Keep all products out of reach of pets and children.
- We recommend storing all products in a dark, damp-free, cool place at room temperature (unless stated otherwise).
- Keep your products away from direct sunlight.
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