Formulating High SPF Sun Care Products With A - External Factor ...
Formulating High SPF Sun Care Products With A - External Factor ...
Formulating High SPF Sun Care Products With A - External Factor ...
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SUN CARE<br />
LIQUID-MINERAL UV FILTER<br />
PARSOL® SLX:<br />
• liquid at all temperature<br />
• stable in the pH range of 4 - 9<br />
• stable up to 80°C for 6 hours without any loss on activity<br />
• compatible with a wide range of organic and inorganic UV filters, common<br />
emollients and emulsifiers<br />
• can be formulated into O/W-, W/O- and Si/W-emulsions as well as in translucent<br />
gels, shampoos or sprays<br />
• no undesirable effects such as odour, discoloration, etc.<br />
• approved in Europe at a maximum use concentration of 10% as well as in<br />
People’s Republic of China, Taiwan, Latin America and selected Asian countries<br />
Table 5 PARSOL® SLX – robust and easy to use<br />
daily protection for sensitive and damaged<br />
skin, baby and children care products<br />
with safe sun protection or as »technical<br />
UV-filter« in specific decorative cosmetics<br />
(e.g. pressed powders). Additionally, Polysilicone-15<br />
has been shown to have excellent<br />
hair protecting properties against<br />
UV radiation as described in (24-26).<br />
� Conclusion<br />
Polysilicone-15 (PARSOL® SLX) represents<br />
a new generation of UV filters coined<br />
»Liquid-Mineral UV Filter« by DSM Nutritional<br />
<strong>Products</strong>, providing optimal distribution<br />
of the chromophores on the<br />
skin. It is an ideal complementary UVfilter,<br />
enhancing <strong>SPF</strong> values when used<br />
with other UV-filters in high <strong>SPF</strong> formulations.<br />
Polysilicone-15 has excellent skin feel<br />
and positively influences the sensorial<br />
characteristics of a sun care product. It<br />
also enhances the amount of sunscreen<br />
applied on the skin and provides thus a<br />
better protection against UV-irradiation<br />
for the end consumers.<br />
Because Polysilicone-15 remains on the<br />
skin surface, it has an outstanding safety<br />
profile. It is easy to formulate and suitable<br />
for a broad range of high <strong>SPF</strong> and<br />
photo-stable sun care products.<br />
References<br />
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International Journal of Cosmetic<br />
Science 2000;22:305-12<br />
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Clinics in dermatology 2001;19:<br />
452-9<br />
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between organic and inorganic UV filters in<br />
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2005;10:1-7<br />
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20-3<br />
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(16) Herzog B, Mendrok C, Mongiat S, Müller S,<br />
Osterwalder U, The sunscreen simulator: A<br />
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SÖFW-Journal 2003;129:2-9<br />
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<strong>Sun</strong>screens containing benzimidazoles and<br />
benzalmalonate-modified polysiloxanes. EP<br />
0979 654 : (Hoffmann-La Roche, A.-G., Switz.)<br />
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(20) Gonzenbach H, Hill TJ., Truscott TG, The triplet<br />
energy levels of UVA and UVB sunscreens. J.<br />
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(21) Gonzenbach H, Pittet G, Photostability, a<br />
must? Proceedings of: Broad Spectrum <strong>Sun</strong><br />
Protection: The Issues & Status. The Commonwealth<br />
Institute, London, March 11-12 1997<br />
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presentation. 7th Congress of the European<br />
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1997<br />
(23) Mendrok C, Ruembeli R, Hadfield N, Heylings<br />
J, Schehlmann V, Klock J, In vitro study on<br />
transdermal penetration through human epidermis<br />
of Polysilicone-15. International Journal<br />
of Cosmetic Science submitted<br />
(24) Maillan P, UV protection of artificially colored<br />
hair using a leave-on formulation. International<br />
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(25) Maillan P, Gripp A, Sit F, Jermann R, Westenfelder<br />
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degradation and enhancing shine. Cosmetics<br />
& Toiletries 2005;120:65-6,8,70-1<br />
(26) Maillan P, Protecting hair combability from<br />
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Cosmetics and Toiletries Manufacture Worldwide<br />
2003:22-6<br />
Author’s addresses:<br />
* Katja Berg-Schultz, Christine Mendrok,<br />
Fintan Sit, Roland Jermann<br />
DSM Nutritional <strong>Products</strong> Ltd.<br />
PO Box 3255<br />
4002 Basel<br />
Switzerland<br />
Correspondence:<br />
Email: roland.jermann@dsm.com<br />
8 SÖFW-Journal | 131 | 7-2005<br />
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