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INCI: Octocrylene
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United States Adopted Name: Octocrylene
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Eusolex® OCR, a liquid UVB sunscreen with very good protection potential.
It has excellent dissolving properties for solid UV filters. Due to its
outstanding photostability it is used as photostabilizer for e.g.
Avobenzone.
Despite the low absorption of Eusolex® OCR, its pratical
protection properties are compatible with e.g. Eusolex® 6300 or Eusolex® 2292, hence good SPF values can be achieved.
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In vitro SPFs (Diffey method) - 2 % sunscreen in oils
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| Solubility of solid sunscreens in Eusolex® OCR |
| Eusolex® 9020 |
Butyl Methoxydibenzoylmethane |
22 % |
| Eusolex® 4360 |
Benzophenone-3 |
27 % |
| Eusolex® 6300 |
4-Methylbenzylidene Camphor |
30 % |
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| Art. No. |
1.05377 |
| Synonyms |
2-Ethylhexyl 2-cyano-3,3-diphenyl-
2-propenoate, Ethylhexyl-α-cyano-
3,3´-diphenyl acrylate |
| Formula |
C24H27NO2; MW 361 g/mol |
| Function |
UVB filter |
Technical Data
Appearance
Extinction coefficient
Active substance
Solubility |
Yellow, clear viscous liquid
12,600
100 %
Miscible with cosmetic oils and
silicone oils |
| Compatibility |
Compatible with cosmetic
ingredients |
| Application |
· Sun care
· Baby sun care
· Daily skin care
· Decorative cosmetic with sun
protection |
| Use level |
1 - 10 % (acid) |
| Incorporation/Processing |
To be treated like any other
ingredient of the oil-phase. |
Key Property/Claim/
Conclusion |
Photostable UVB filter;
photostabilizer for e.g. Avobenzone.
Excellent solvent for solid
sunscreens. |
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Like most cosmetic oils, organic sunscreens are polar substances.
Prefer HDPE or HDPP to low density packaging materials to prevent
solubilization of packaging.
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