HYDROGENATED POLYISOBUTENE

Sophim MC 30 - Sophim MC 300

 

Versatile cosmetic and pharmaceutical base oils with excellent feel, spreading, penetrating and waterproofing properties.

 

Hydrogenated Polyisobutene (INCI name) is a polymer with branched chains aliphatic hydrocarbon structure, without ring structure. It is also called Liquid Isoparaffin (Japanese name).

Thanks to Sophim’s high performance technology, it has a very low iodine value.

Sophim Hydrogenated Polyisobutene is now available in two grades :

  • Sophim MC 30   :    liquid
  • Sophim MC 300 :    viscous


MC 30 and MC 300 have made Sophim a major European manufacturer of Hydrogenated Polyisobutene.

 

Hydrogenated Polyisobutene cosmetic properties

  • Colorless, odorless, tasteless
  • Totally stable versus oxidation
  • Stable across the pH range
  • MC 300 is an effective waterproofing agent
  • Enhances SPF retention after water exposure
  • Soluble in main sunscreen filters
  • MC 30 has excellent spreadability and fast penetration into the skin
  • Emollient, moisturizer, restore skin suppleness
  • Prevents Insensible Water Loss (IWL)
  • Miscible with lipophilic substances
  • Soft feel, non  greasy
  • Easily emulsifiable
  • Pigment dispersing agent for decorative cosmetics
  • Non comedogenic
  • Non irritant, non toxic, full inocuity

 

Incorporation of Sophim Hydrogenated Polyisobutene

The percentage of incorporation varies from proportions of 2 % to 45 %.

 

Hydrogenated Polyisobutene uses in cosmetics

Hereafter are some indicative possible uses of Hydrogenated Polyisobutene in cosmetic and pharmaceutical formulations :

  • Hydrating creams
  • After shave balms
  • Antiperspirants
  • Color cosmetics
  • Acne creams
  • Hair grooms
  • Sunscreen formulations
  • Lipsticks
  • Hair relaxers
  • Baby care
  • Cleansing creams
  • Shaving gels

Those advices don’t exclude the use of Hydrogenated Polyisobutene in other cosmetic or pharmaceutical products.

 

Viscosity of MC30 / MC300 mixtures

% MC30  
   
 % MC300 Viscosity
cP (30°C)
100 0 21
90 10 320
80 20 563
70 30 1 210
60 40 2 520
50 50 4 800
40 60 14 336
30 70 28 880
20 80 44 850
10 90 72 533
0 100 374 000

 

 

cP : viscosity measured in centipoises with a  Brookfield viscometer