Trimethylsiloxysilicate Cosmetic Grade MQ Resin CAS 56275‑01‑5 is high‑purity cosmetic‑grade MQ silicone resin synthesized via controlled co‑hydrolysis and polycondensation of trimethylsilyl silane and tetrafunctional silicate monomers. This M‑Q structured silicone resin features outstanding film‑forming and water‑repellent capacity. It is widely used as a key film‑forming raw material for sunscreen, mascara, lipstick and long‑wear makeup to enhance cosmetic staying‑power, water resistance and s

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Trimethylsiloxysilicate Cosmetic Grade MQ Resin CAS 56275‑01‑5, Film‑Former MQ Resin for Sunscreen Mascara & Long‑Wear Makeup

This cosmetic‑grade trimethylsiloxysilicate MQ resin is produced through strictly controlled co‑hydrolysis and polycondensation of trimethylalkoxysilane and tetraalkoxysilane monomers. Its molecular architecture consists of monofunctional trimethylsiloxy M‑units and tetrafunctional Q‑siloxane units, constructing compact three‑dimensional cross‑linked silicone macromolecules. Strict purification procedures are implemented during manufacturing to minimize heavy‑metal residues, residual volatile siloxanes and impurities, meeting cosmetic raw‑material specification requirements. The M/Q molar ratio is precisely controlled to balance film hardness, flexibility and solubility in cosmetic silicone fluids and hydrocarbon oils.

Unlike industrial‑grade MQ silicone resin, this cosmetic variant is optimized for skin‑contact applications. After solvent evaporation during cosmetic film‑formation, the resin creates a continuous, flexible and breathable silicone membrane on skin or eyelash surfaces. The formed film delivers strong water‑repellent characteristics without excessive brittleness or flaking.

Within sunscreen formulations, trimethylsiloxysilicate forms a uniform protective film on the skin surface. It fixes inorganic UV‑filter pigments and reduces sunscreen runoff caused by sweat or water exposure, maintaining consistent UV‑shielding efficacy during prolonged outdoor activities. It also improves the spreading property of sunscreen paste and reduces greasy skin feel after application.

For mascara and long‑wear eye‑makeup systems, the resin builds a tough yet elastic coating layer on eyelashes. It enhances mascara water‑proof and smudge‑proof performance, prevents flaking and crumbling, and extends the wear time of eye makeup. It is also suitable for long‑wear foundation, lip gloss and lipstick formulas, effectively lowering makeup transfer onto masks, cups or clothing.

The resin shows excellent solubility in volatile silicone fluids, isododecane and other cosmetic hydrocarbon oils. Insufficient dissolution will generate tiny undissolved resin particles, which lead to grainy texture and poor skin spreading of finished cosmetic products.

Formulation processing requires adequate stirring and heating to achieve complete dissolution in oil‑phase components before mixing with pigments or other cosmetic ingredients. High processing temperature should be controlled within reasonable ranges to avoid excessive volatile loss of cosmetic‑grade solvents. Since the film‑forming performance heavily depends on resin concentration, dosage should be adjusted carefully according to targeted wear‑resistance requirements of final cosmetic products.

This cosmetic‑grade MQ resin must be stored hermetically under cool and dry warehouse conditions, avoiding direct sunlight. Cross‑contamination with industrial silicone raw materials or heavy‑metal containing additives is strictly prohibited during material handling, which would disqualify the resin for cosmetic usage. This trimethylsiloxysilicate MQ resin serves as a premium film‑forming silicone raw material for sunscreen, mascara and a broad portfolio of long‑wear decorative cosmetics.

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Trimethylsiloxysilicate Cosmetic Grade MQ Resin CAS 56275-01-5, Film-Former MQ Resin for Sunscreen Mascara & Long-Wear Makeup

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.