JPH Suncare

Publications

Presentations and publications by Julian Hewitt include the following:

Conference Presentations

  • “Effective Use of Physical Sunscreens in Cosmetic Formulations”, International Symposium on Cosmetic Sciences, Taichung, Taiwan, May 1994.
  • IFSCC Conference, Montreux, September 1995 (poster).
  • SCC Scientific Meeting, New York, December 1995.
  • “Effective Use of Physical Sunscreens: Recent Advances”, Broad Spectrum Sun Protection Conference, London, March 1997.
  • “Effects of Film-Forming Polymers on Efficacy and Water-resistancy of Physical Sunscreens”, Florida Sunscreen Symposium, Miami, September 1997.
  • SCS Spring Conference / In-Cosmetics Conference, London, April 1998 (co-author with G P Dransfield and P L Lyth).
  • “Novel Formulation Strategies for High SPF and Broad Spectrum Sunscreen Products”, IFSCC Congress, Cannes, September 1998 (poster).
  • European UV Sunfilters Conference, Paris, November 1998.
  • “Effective and Elegant Sun Protection with Physical Sunscreens”, Sun Protection Conference, London, March 1999.
  • Florida Sunscreen Symposium, Orlando, September 1999.
  • “Factors Influencing Efficacy of Oil-Dispersed Physical Sunscreens”, IFSCC Conference, Midrand, South Africa, October 1999 (co-author with J.Woodruff).
  • “Effective Use of Physical Sunscreens: Incorporation of Physical Sunscreens into Water-in-Oil Emulsions”, European UV Sunfilters Conference, Paris, November 1999.
  • In-Cosmetics Conference, Barcelona, April 2000.
  • “Formulating to Achieve High UVA Protection in Sun Products”, Sun Protection Conference (“UVA Protection – A Major Issue of Minor Importance ?”), London, June 2001.
  • “Formulating Strategies for UV Protection in Prestige Suncare and Skincare Products”, Florida Sunscreen Symposium, Orlando, April 2002.
  • “The Influence of Emulsion Structure on SPF in Physical Sunscreen Formulations”, IFSCC Congress, Edinburgh, September 2002 (poster) (co-author with S.Housley and A.C.Pool).
  • “Formulating with Aqueous TiO2 Dispersions” European Sunfilters Conference, Paris, October 2003. Also presented at the Joint ASCC/NZSCC Australasian Conference, Auckland, March 2004.
  • “Optimising the Sensory Properties of Physical Sunscreen Formulations”, IFSCC Congress, Orlando, October 2004 (poster) (co-author with H.Hine & L.M.Kessell).
  • “Choosing Emollients for Sunscreen Formulations”, IFSCC Congress, Orlando, October 2004 (poster) (co-author with J.Bell).
  • “Formulating Strategies for Effective UVA Protection”, IFSCC Congress, Orlando, October 2004 (poster).
  • “Formulating for Tomorrow : UV Protection in Daily Use Skin Care”, UK SCS Spring Symposium, Wotton-under-Edge, May 2005.
  • “Combining UV Filters for High SPF Broad Spectrum Protection: A Global Perspective”, Florida Sunscreen Symposium, Orlando, September 2005.
  • “Integrating Theory And Practice In Sun Care Formulations : Layer Thickness Models For Inorganic Sunscreens”, IFSCC Congress, Osaka, October 2006 (poster).
  • “UV Filter Combinations for High SPF Broad Spectrum Protection”, In-Cosmetics Innovation Seminars, Barcelona, April 2006.
  • “Optimising the Sensory Properties of Inorganic Sunscreens for Asian Skin”, Asian Societies of Cosmetic Scientists Conference, Singapore, March 2007 (co-author with L.M.Kessell and B.J.Naden).
  • “Improving Compatibility and Photostability in Mixed Organic/Inorganic Sunscreen Formulations”, In-Cosmetics Innovation Seminars, Paris, April 2007.
  • “Using Experimental Design to Optimise Sunscreen Formulations”, Florida Sunscreen Symposium, Orlando, September 2007 (co-author with C.Verboom, S.Housley & J.Frank).
  • “Magic Bullets? An Assessment of SPF Boosting Technology”, Australian Society of Cosmetic Chemists Annual Conference, Surfers Paradise, March 2008 (co-author with H.Hine).
  • “Using Inorganic Sunscreens To Enhance The Photostability Of Organic Sunscreens:
    Dispersion Effects”, Australian Society of Cosmetic Chemists Annual Conference, Surfers Paradise, March 2008 (co-author with J.Stott and A.Duggan).
  • “Natural Sun Protection: Can We Make an Effective “Green” Sunscreen?”, In-Cosmetics Innovation Seminars, Amsterdam, April 2008.
  • “Nanomaterials in Personal Care: An Opportunity or a Threat?”, Natural Beauty Summit, Paris, October 2008.
  • “Aiming Higher: A Formulation Strategy for High SPF”, In-Cosmetics Innovation Seminars, Munich, April 2009.
  • “Formulating Strategies to Meet Differing UVA Requirements Around The World”, Florida Sunscreen Symposium, Orlando, September 2009.
  • “Characterisation of Titanium Dioxide Nanoparticles in Sunscreens”, Florida Sunscreen Symposium, Orlando, September 2009 (poster) (co-author with I.R.Tooley).
  • “Xtra Protection Across the Spectrum: Inorganic-only Sun Protection with Enhanced UVA Performance”, In-Cosmetics Innovation Seminars, Paris, April 2010.
  • “Meeting UVA Protection Requirements in a Changing Global Regulatory Environment”, CosChem Conference, Midrand, South Africa, August 2010.
  • “Formulating Global Sunscreen Systems”, Sun Protection Conference (“The UVA Challenge”), London, June 2011.

Articles / Papers

  • Molecular Physics, 1988, 65 (2), pp.423-438 (co-author with C.A.Hamilton, K.A.McLauchlan and U.E.Steiner).
  • “Titanium Dioxide: A Different Kind of Sunshield”, Drug & Cosmetic Industry, 151(3), Sep.1992, pp.26-32.
  • “In-vitro SPF: Methodology and Correlation with in-vivo Data”, Euro-Cosmetics, 3 (6), pp14-20, June 1995 (co-author with S.R.Spruce).
  • “Formulating with Physical Sunscreens: Control of Emulsion pH”, Drug & Cosmetic Industry, August 1995.
  • SPC, 69 (3), March 1996, pp.23-25.
  • Pharmaceutical & Cosmetic Review (South Africa), Sep/Oct 1997, pp.21-25.
  • “Better Protection by Simple Means: Novel formulation strategies for high SPF and broad spectrum sunscreen products”, Parfümerie und Kosmetik, 80/4, pp.36-39 (April 1999).
  • Cosmetics & Toiletries Manufacture Worldwide (Aston Publishing Group), 1999, pp.135-141.
  • “Formulating Water-resistant TiO2 Sunscreens”, Cosmetics & Toiletries, 114 (9), Sep.1999, pp.59-63.
  • Global Cosmetic Industry, 166 (2), February 2000, pp.28-36.
  • Cosmetics & Toiletries Manufacture Worldwide (Aston Publishing Group), 2000, pp.292-297.
  • “Efficacy and Transparency of Physical Sunscreens”, COSSMA, 1 (3), March 2000, pp.16-18.
  • “Factors Influencing Efficacy of Oil-Dispersed Physical Sunscreens” IFSCC Magazine, 3 (1), January-March 2000, pp.18-23.
  • “Partners in Protection”, SPC, 73 (3), March 2000, pp. 85-87.
  • “Effective Use of Physical Sunscreens: Incorporation of Physical Sunscreens into Water-in-Oil Emulsions”, Euro-Cosmetics, 8 (6), June 2000, pp. 19-23.
  • Cosmetics & Toiletries Manufacture Worldwide (Aston Publishing Group), 2001, pp.14-21.
  • Global Cosmetic Industry, 166 (7), December 2001, pp.38-43.
  • “A Moment of Clarity”, SPC, 75 (3), March 2002, pp. 47-50.
  • Euro-Cosmetics, 11 (3), March 2003, pp. 24-28.
  • “Delivering UV Protection Every Day”, HAPPI, 40 (9), September 2003, pp. 90-96 (co-author with P.Rossi).
  • “New Formulating Opportunities in UV Protection”, Euro-Cosmetics, 12 (3), March 2004
  • “Formulating for Tomorrow : UV Protection in Daily Use Skin Care”, Household & Personal Care Today, April 2006
  • “Using Inorganic Sunscreens To Enhance The Photostability Of Organic Sunscreens:
    Dispersion Effects”, Household & Personal Care Today no.2 / 2008, Sun Care Supplement, pp.12-14 (July 2008). Also published in Personal Care Asia, September 2008.
  • “Formulating for Tomorrow : UV Protection in Daily Use Skin Care”, Nutraceutical Business & Technology, Cosmeceutical Supplement, pp.9-11 (March/April 2008)
  • “Inorganic Sunscreens and Other Nanomaterials in Personal Care: Opportunities and Safety Considerations” Cosmetics & Toiletries, December 2008
  • “Aiming Higher”, SPC, 82(4), April 2009, pp.67-68 (co.author with J.Hart).
  • “A Formulation Strategy for High SPF Sun Care Products”, SOFW Global Ingredients & Formulation Guide 2009 (Verlag für chemische Industrie)
  • “Meeting the UVA Challenge: Inorganic-only Sun Protection”, Cosmetics & Toiletries, September 2010, pp.32-38 (co-author with P.Staniland)
  • “Formulating Inorganic-only Sunscreen Systems to meet Global UVA Protection Requirements”, Household & Personal Care Today, no.3 / 2010, Sun Care Supplement, pp.22-24 (September 2010)
  • “Bright Ideas”, SPC, 84(4), April 2011, pp.85-92.
  • “Optimising Sunscreen Delivery via UV Filter Use”, Personal Care Europe, 4(4), November 2011, pp.39-43.

Book Chapters

  • “Broad Spectrum Physical Sunscreens : Titanium Dioxide and Zinc Oxide”, in “Sunscreens – Development, Evaluation, and Regulatory Aspects”, eds. Lowe, Shaath & Pathak, 2nd edn. (Marcel Dekker, Inc., New York, 1997), pp 353-397. (co-author with M.W.Anderson and S.R.Spruce).
  • “Inorganic Sunscreens”, in “The Chemistry and Manufacture of Cosmetics: Volume III – Ingredients”, edited by ML Schlossman, 3rd edn. (Allured Books, 2002), pp.527-552.
  • “SPF Modulation”, in “Sunscreens”, edited by NA Shaath, 3rd edn. (Taylor-Francis, New York, 2005), pp.385-412.
  • “New and Emerging Sunscreen Technologies”, in “Clinical Guide to Sunscreens and Photoprotection”, eds. Lim & Draelos (Informa Healthcare, New York, 2009), pp.155-168