Globally approved without restrictions for cosmetic applications, IngreCare BS provides a broad spectrum of antibacterial properties and high activity against yeasts and molds. Composed of nature-identical ingredients, IngreCare BS is suitable for natural and organic cosmetics and a wide variety of products with acid pH levels between 2 and 5.5. Soluble in water, glycerin and glycols (slightly soluble in alcohols), IngreCare BS is a balanced combination of sodium benzoate and potassium sorbate and is an increasingly popular preservative system.It’s a liquid yellowish to brownish blend of Potassium Sorbate and Sodium Benzoate preservatives and water (respectively ~15%, ~30% and ~55%), with a shelf life of 18 months in original packaging. It should be stored in tightly closed containers at temperature below 25oC and kept away from direct sunlight and protected from frost. IngreCare BS is recommended to be used to protect especially aqueous systems and emulsions against microbial growth at concentrations of 0.2-1.0% in personal care formulations with low risk of bacterial contamination. Cosmetic products with higher risk of bacterial contamination may need a different minimum level and combination with other preservatives.

Benzophenone 4 is used in many cosmetic applications to protect against sunburn, in anti-aging facial care products, and in hair products. It can also be used as an emollient and an ingredient to prevent cosmetic products deterioration from sun exposure. Benzophenone 4 can be formulated into after-sun, self-tanning, color cosmetics, lip care, nail polish and body care products. It can also provide excellent protection for bleached and colored hair against UV radiation and can be used in hair gels, shampoo, mousse, hair sprays and hair primers. A secondary UV-B absorber with activity in short UVA (UVA-2) range rays, Benzophenone 4 provides supplemental UV protection and boosts SPF activity.

Polyquaternium 7 (PQ7) is an aqueous solution of a cationic copolymer of diallyl dimethylammonium chloride and acrylamide. It is preserved with 0.5% Sodium Benzoate. A highly charged cationic copolymer, PQ7 is perfect for anhydrous formulations and soluble in both glycerin and propylene-glycol. It is one of the most commonly used polymers in the world today in cosmetics, toiletries, and home care.

Based on nature-identical ingredients, Ingrephen BWPS is globally approved for a wide range of cosmetics with acidic pH and is recommended for use within a pH range from 3.3 to 5.5. It combines the antibacterial properties of Benzyl alcohol with Potassium sorbate and Sodium benzoate for antifungal activity. Ingrephen BWPS is soluble in water, and glycerin and glycols (slightly soluble in alcohols). Effective against Gram-negative bacteria and Gram-positive bacteria as well as yeasts and molds, this system is gentle on the skin and is allowed for use in natural and organic cosmetics.

Ingrephen PCG35 is a broad spectrum preservative system that is active against bacteria, yeasts and molds. Very soluble in alcohol, glycerin and glycols, Ingrephen PCG35 is soluble in water up to 1.5% (less soluble in oils). Ingrephen PCG35 is a liquid system effective in wide pH ranges from 3 to 9, and has no impact on the odor or color of the end formulation. It is a gentle and effective alternative to traditional preservatives. Based on phenoxyethanol, and enhanced by caprylyl glycol, Ingrephen PCG 35 is a liquid blend providing both emollient and preserving boosting effects for personal care applications.

What is polyquaternium 4? Polyquaternium 4 is a cosmetic ingredient that is broadly used in hair conditioners and skin care lotions and creams. It is a highly cationic conditioner and fixative useful at a wide range of pH and low viscosity. Both water soluble and providing antistatic and film forming properties, Polyquaternium 4 in hair products is extensively used in styling applications, hair mousses, and conditioners.