Here Comes the Sun….the Sunscreen Symposium and beyond!

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The biannual Sunscreen Symposium, sponsored by the Florida Chapter of the Society of Cosmetic Chemists, took place at Disney’s Yacht & Beach Club Resort, Orlando, Florida on Friday, September 24th and Saturday, September 25th.  The Florida SCC, major ingredient suppliers and sun care formulators across the industry pushed forward to make this event happen, resulting in great success considering the continuing challenges of the Covid-19 pandemic.

The Sunscreen Symposium maintains its image, as a unique, industry event that remains totally dedicated to the top growth and dynamic category of sunscreens and functional skincare with SPF protection.  The timing of the symposium is always strategically planned as the 4th quarter is a critical time when sunscreen manufacturers, brands and contract manufacturers focus on the product development for the upcoming 2023 suncare launches.

Top continued themes in sun care protection dominated the two-day agenda at the Sunscreen Symposium with numerous presentations dedicated to formulating with Inorganic/Mineral filters, regulatory status of existing UV filters currently under FDA review and informative sessions on the future direction for sun care manufacturers.

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Sharon Laboratories had a strong presence at the Sunscreen Symposium with the participation of Laura Mills, Business Development Manager, North America and especially pleased with Dr. Noa Zilko, presenting a scientific research study on the “Challenges of Preservation of Sunscreen Formulations”  as part of the agenda.  The presentation outlined that in order to achieve the desired high SPF, sun care formulas more than ever consist of many different UV filters and UV absorber combinations,  ultimately increasing the oil phase concentration

Dr. Zilko explained how non-polar preservatives commonly used in sunscreen formulations with a high oil phase loading generate an increased risk for microbial contamination.  The main scientific breakthrough imparted to the attendees was that preservatives with low polarity tend to migrate into the oil phase leaving the water phase of the sunscreen formula unprotected.  The scientific work delivered by Sharon Laboratories was a “novel” topic and addition to the Sunscreen Symposium agenda generating lots of interest another valuable “troubleshooting” guideline for improved sunscreen application development.

As was evident in the frequency of presentations on this topic during the Sunscreen Symposium,  interest level using zinc oxide in sunscreen formulations continues to grow in North America and globally.  This demand is driven by the current regulatory US climate surrounding organic UV filters where zinc oxide and titanium dioxide have been indicated as safe options while others remain not prohibited but under some further review.

As the market and consumers continue pushing sun care manufacturers for sun protection options with Zinc Oxide,  the response is underway, but formulating challenges incorporating ZnO remain.   Suncare formulators ask themselves, “How can zinc oxide and all its benefits and attributes be formulated into a sun protection product that doesn’t make the consumer look like a ghost or mime upon application?”

The key to a successful Zinc Oxides sun care formulation starts from an optimized dispersion and the correct selection of emulsifiers, emollients, humectants, etc. to deliver an appealing sensorial and spreadability on the skin.  All the above ingredients chosen for a Zinc Oxide system still yet remain quite dynamic and dependent on if the ZnO is treated, untreated, or supplied in a dispersion format.

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Who else is better equipped to answer all the many formulating questions on sun care formulations than well-known, cosmetic ingredient industry expert, Mark Chandler, current President of ACT Solutions!  Mark Chandler was a major contributor and presenter at the Sunscreen Symposium speaking on this hot industry topic of Zinc Oxide Sunscreens providing “best practice” in formulating. From lecture to practice, ACT Solutions and Sharon Laboratories have partnered together to launch 3 new sunscreen formulations with both zinc oxide and a combo UV filter option addressing existing formulating obstacles, including preservation.

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Today, the market is calling for more mild and natural preservation without parabens, formaldehyde donors, CIT/MIT and even now phenoxyethanol is under the radar even though these preservatives are well accepted by the FDA and widely used in sun care.  As suncare formulators choose alternative UV filters for new brand extensions or have ongoing initiatives to reformulate out of UV existing filters, the time is now to also evaluate new natural and natural-like preservation options.  
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Sunscreen formulations organic and equally inorganic are challenging to preserve.  Sharon Laboratories features below two options from our SharoSUN™ range of sun care preservation systems with featured benefits:

  • Natural-Like
  • Readily biodegradable
  • Non-pH-dependent
  • Full protection for high SPF formulations at a low level of use <l %
  • Ideal polarity index
  • Compatible with a wide range of UV filters- physical and chemical

Natural-like Preservation System
SharoSENSE™Plus 181 Natural (INCI:  Maltol, Polyquaternium-80)

AMPLIFY range: Less is more resulting in high efficacy preservation solutions
Sharomix™ AM24  (INCI: Methylpropandiol, Caprylyl Glycol Polyquaternium-80, Didecyldimionium Chloride)

ACT Solutions and Sharon Laboratories sunscreen formulation
22883 Coconut Luxe Sunscreen Complete Final postcard 02 copy
Leave your details to get more info and the SharoSUN™ new formulations.


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