RHEOBYK-7590 PC 100 g

RHEOBYK-7590 PC: Premium Organic Rheology Modifier for Advanced Cosmetic Formulations

Formulating stable, high-performance oil phases and emulsions requires specialized components that control flow behavior without compromising sensory attributes. RHEOBYK-7590 PC is an advanced, organic rheology additive based on a natural castor oil derivative, specifically engineered for personal care and cosmetic applications. Formulators and industrial developers worldwide rely on this functional ingredient to deliver precise thixotropic control, prevent pigment settling, and enhance thermal stability in complex anhydrous and emulsion systems. Its natural origin and compliance with stringent global standards make it an essential tool for creating premium commercial cosmetics and artisanal formulations alike.

The global demand for natural, high-efficiency texturizing agents continues to grow as brands prioritize stable, sustainable ingredients. This specialized additive functions primarily within the oil phase, providing exceptional thickening performance, excellent anti-settling properties, and improved sag resistance in challenging formulations such as sunscreens, liquid foundations, and color cosmetics. By optimizing viscosity across low shear ranges while maintaining easy processing, RHEOBYK-7590 PC empowers developers to achieve superior texture, uniform pigment suspension, and enhanced package stability without altering the skin-softening feel of the final product.

Functional Mechanisms and Multi-Industry Cosmetic Applications

The structural efficacy of RHEOBYK-7590 PC stems from its unique interaction with oil phases, where it builds a network that stabilizes dispersed particles and prevents phase separation. In decorative cosmetics such as lipsticks, lip glosses, pressed powders, and liquid foundations, it ensures even distribution of mineral pigments and effect particles, preventing caking or settling over time. For sun care products, it successfully stabilizes heavy inorganic UV filters within water-in-oil or anhydrous matrices, maintaining uniform protection levels throughout the product shelf life.

Beyond color and sun care, this organic gelling agent excels in skin care emulsions, body milks, hair styling products, and antiperspirant sticks. Its composition functions seamlessly alongside natural plant lipids, functional additives, emollients, and conditioning agents to reinforce the lipid barrier of formulations. Manufacturers value its capacity to impart a soft, luxurious skin feel while acting as a mild water-repellent agent. Whether used in large-scale manufacturing facilities or small artisanal laboratories, RHEOBYK-7590 PC delivers consistent batch-to-batch rheological control, predictable activation behavior, and reliable performance across diverse lipid bases.

Formulation Recipe: Nourishing Mineral Sunscreen Lotion

Almond oil - forty grams

Caprylic triglyceride - thirty grams

Jojoba oil - twenty grams

RHEOBYK-7590 PC - four grams

Zinc oxide powder - fifteen grams

Polyglyceryl-4 oleate - five grams

Distilled water - one hundred grams

Vegetable glycerin - six grams

Cosmetic grade preservative - one gram

In a clean heat-resistant glass beaker, weigh out the almond oil, caprylic triglyceride, and jojoba oil, then slowly disperse the RHEOBYK-7590 PC into the oil blend using an overhead stirrer. Heat the oil mixture to fifty-five degrees Celsius while applying high-shear mixing for twenty minutes to ensure complete activation of the rheological additive. Carefully sift the zinc oxide powder and polyglyceryl-4 oleate into the warm oil phase, continuing to mix until the pigments are thoroughly wetted and uniformly suspended. In a separate container, combine the distilled water and vegetable glycerin, heat to the same temperature range, and slowly pour the aqueous phase into the active oil phase under continuous agitation to form a stable emulsion. Remove the heat source, allow the formulation to cool down gradually while stirring gently, and incorporate the cosmetic grade preservative before transferring the finished lotion into airless pump bottles.

The resulting mineral sunscreen lotion features a rich, velvety texture that glides smoothly across the skin without whitening or separating. It delivers excellent spreadability, forms a protective moisture-locking barrier, and maintains perfect physical stability over extended storage periods, offering reliable sun protection combined with deep dermal conditioning.