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Minimum order value 40 euros

Preblend Aqua

€6,90

€115,00/kg

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Preservative
A versatile and reliable broad-spectrum preservative that is highly water-soluble, odorless, and therefore suitable for all types of products.

INCI
Aqua, Sodium Levulinate, Sodium Benzoate

Natural cosmetic compliant
COSMOS, ECOCERT, and NATRUE certified

Item number
PRE001

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Characteristics

A water-soluble preservative system that can be used in all types of products. In emulsions, the addition of surface-active substances such as Glyceryl Caprylate or Propandiol green is recommended.

Preblend Aqua consists of two organic acids or their salts, pre-dissolved in water. It is effective against bacteria and highly effective against yeasts and molds. In aqueous systems (tonics, micellar waters, sprays, etc.), surfactant formulations (shampoos, shower gels, etc.), as well as water-in-oil emulsions, it is sufficient as a standalone preservative. In oil-in-water emulsions, we recommend the simultaneous use of a surface-active substance to optimize effectiveness against bacteria. Glycols such as Pentylene Glycol or butylene glycol, or also glyceryl caprylate, would be suitable for this purpose. Propanediol also has a boosting effect when used in sufficient quantities.

To ensure preservative performance, the pH value of the final product must be in the slightly acidic range or lower—that is, below 6, preferably below 5.5. The effectiveness of Preblend Aqua increases as the pH value decreases, meaning it can be used in lower concentrations in acidic products, such as facial toners or AHA products.

The salts in the product can cause interactions with certain raw materials that are sensitive to electrolytes—e.g., Sepinov WEO (has a thinning effect)!

Usage concentration and processing

1.5 - 2.5% in all formulations (depending on the pH value)
add to the water phase
the pH value of the final product should ideally be below 5.4

Special features at a glance

good tolerability
suitable for all types of products
water-soluble
odorless
easy to handle
perfect performance in combination with glycols and surface-active substances

IMPORTANT NOTE: A dropper is included with the 60g versions. This is not possible for larger units due to the thread size. We recommend transferring the product to a smaller container or removing it cleanly using a pipette.

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