Neutrazen 100 ml

Keeping Water-Based Formulas Stable Over Time

Any water-containing cosmetic formula needs reliable protection against microbial growth, and this is exactly the role of the multi-component preservation system known as Neutrazen. The product belongs to the category of Cosmetic Raw Materials and is equally popular among home formulators and manufacturing facilities where predictable shelf-life behavior matters throughout the entire storage period. The 100 ml packaging suits small-batch production well, letting formulators test several cream or serum recipes before scaling up to larger runs.

The main purpose of this preservative is to protect water-based emulsions from bacteria, mold and yeast growth. It works gently on the skin without causing irritation, which makes it a common choice for baby care lines and sensitive skin products. Beyond facial and body care, the composition is used in shampoos, conditioners, shower gels, intimate hygiene products and color cosmetics, where long-term microbiological stability without harsh chemical compounds is required.

The preservative should be added at the final stage of preparation once the emulsion has cooled below 40 degrees Celsius, preserving its functional activity. Typical dosage ranges from 0.5 to 2 percent of the total product mass depending on the pH of the finished formula and its water content. The ingredient pairs well with D-Panthenol, which is often introduced into the same water phase to boost the soothing effect. In fragrance-heavy formulations, chemists sometimes combine the preservative with Phenylethyl Alcohol, which brings additional antimicrobial properties along with a pleasant rose-like note, and a small amount of Benzyl Alcohol can be added to broaden the spectrum of activity against particular microbial strains.

Store the product in a tightly closed container, in a dry place at room temperature, away from direct sunlight and heat sources, which helps maintain its declared activity throughout the shelf life. Before scaling up to industrial volumes, it is recommended to run a trial batch and check emulsion stability after several weeks of storage under different temperature conditions. Compatibility with other active additives should also be considered, since high electrolyte concentrations or extreme pH values can reduce preservative efficiency, making preliminary testing essential for every new formula.

Lightweight Body Lotion

Distilled water 75 ml

Plant-based emulsifier 6 g

Sweet almond oil 7 ml

Glycerin 4 ml

D-Panthenol 2 ml

Neutrazen 1.5 ml