| | 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 the sole European manufacturer of Hydrogenated Polyisobutene. |  | Hydrogenated Polyisobutene cosmetic properties - Colorless, odorless, tasteless
- Emollient, moisturizer, restore skin suppleness
- Prevents Insensible Water Loss (IWL)
- MC 300 is an effective waterproofing agent
- Easily emulsifiable
- Pigment dispersing agent for decorative cosmetics
- Enhances SPF retention after water exposure
- Soluble in main sunscreen filters
- MC 30 has excellent spreadability and fast penetration into the skin
- Miscible with lipophilic substances
- Totally stable versus oxidation
- Stable across the pH range
- Non comedogenic
- Non irritant, non toxic, full inocuity
- Soft feel, non greasy
Hydrogenated Polyisobutene specifications | | MC 30 | MC 300 | | Appearance | colorless, odorless, tasteless | clear, odorless, tasteless | | Specific gravity | 0.810 - 0.830 | 0.880 - 0.910 | | Refractive index | 1.4500 - 1.4600 | 1.4950 -1.4990 | | Viscosity at 40°C | 15 - 25 | | | Viscosity at 100°C | | 590 - 630 | | Acid value | 0.1 max | 0.1 max | | Iodine value | 1.0 max | 4.0 max | | Saponification value | 0.5 max | 1.0 max | Incorporation of Sophim Hydrogenated Polyisobutene The percentage of incorporation of MC 30 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
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