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RESIFA™ SOLESPHERE™ Fine Silica Microspheres for Sunscreen, Skin Care and Cosmetics

 

RESIFA™ SOLESPHERE™  silica are natural, environmentally safe additives enhancing the performance of cosmetics, beauty, and skincare products.

SOLESPHERE Characteristics
• Appearance: Dry, Fine, White, Spherical powder
• Amorphous
• Microspherical silica range (3um - 20um)
• Porous and Non-porous grades
• Natural Material
• Non-nano, no-plastic
• INCI: Silica
• ECOcert and COSMOS certified
• HALAL and Kosher certified
• Manufactured in Japan, available worldwide
SOLESPHERE Benefits
• Enhances the feel and texture of formulations
• Improves spreadability; Reduces greasiness and stickiness
• Provides SPF boost to both organic and inorganic UV actives
• Absorb oil and perspiration
• Provides excellent soft focus or mattifying effect
• Minimizes pores
• Suitable in oil-in-water, water-in-oil, and anhydrous formulations
• Encapsulates oils to form powders and gels

 

SOLESPHERE Applications

  • Cosmetics and Personal Care
    • Oil and sweat absorption
    • Matte finish
    • soft focus effect
    • Improved feel and texture
  • Sunscreens
    • SPF Boosting

Five key SOLESPHERE grades–H-51, H-53, H-121, H-33 and NP-30–can impart the desired mix of performance qualities into a formulation including:

    • UV boost
    • Reduced greasiness, stickiness
    • Oil and perspiration absorption
    • Mattifying/blurring/light-scattering effect
    • Pore minimizing
    • Silky smooth texture (spreadability, glide)
    • Scrub/exfoliant effect (abrasiveness)
    • Leaves skin looking/feeling hydrated and glowing
  • Particle sizes: 3 - 20 μm
  • Pore diameters up to 11 nm
  • Moisture and oil absorption capacity: 30 - 400 ml/100 g
  • Excellent heat resistance

  • Sunscreen
  • Tinted moisturizers
  • Skincare
  • Makeup foundation
  • Facial cleansers and body washes
  • Lipstick
  • Mascara

Particle surface observation by Scanning Electron Microscope

Particle strength

Grade NP-30 H-51 H-52 H-53
Pore volume (mL/g) 0.02 0.8 1.6 2.0
Compression strength (MPa) 1900 40 4 3

Oil Absorption and Particle Diameter

Moisture retention capability test

Moisture absorption is affected by specific surface area and pore volume.

Texture feeling test

Test method: Applied 0.5mg/cm test powder to artificial leather Supplare (made by Idemitsu Techno Fine),
and evaluated texture by KES-SE friction tester (made by Kato tech and sensor: artifical leather Supplare, load 25g).

Soft Focus Effect

Test method: Applied SOLESPHERE samples to the surface of Supplare, and then monitored with a digital microscope (x 25).

SOLESPHERE prevents oily skin and covers up wrinkles.
Optical diffusion (one characteristic of SOLESPHERE) gives these effects.
These effects are proportional to particle size and pore volume.

Fine Silica Gels: RESIFA™ SOLESPHERE™.
Fine silica gels are environmentally safe, non-plastic and non-petroleum ingredients that enhance the performance of skincare and cosmetic products.
AGC Chemicals