Recent in Sun Care (page 5 of 10)

Beyond the Obvious

What are the biggest challenges in sun care formulating? I asked a few colleagues, and they answered: achieving what marketing wants while complying with regulations and making sunscreens esthetically pleasing (so consumers will use them); and the lack of international harmonization in UV filters, UVA testing and labeling. These issues are not new, so why are they not yet resolved? Perhaps because regulations and consumer demand are moving targets, which are difficult to hit.

Developing Sunscreens for the Preventive Treatment of Photodamage and Premature Aging

This article reviews the mechanisms of ultraviolet radiation insult to skin and explains the formulation of sunscreens to protect against this damage. Further, since the efficacy of combinations of UV filters will vary with formulation base, the formula vehicle and form are discussed, as well as an overview given of typical sunscreen efficacy tests performed prior to production.

Challenges in Sun Care Formulating

Sun care formulating poses several challenges to product developers. Cosmetics & Toiletries recently asked, “What are the biggest challenges in sun care formulating?” Following are your responses.

Antioxidants in Sunscreens for Improved ROS Protection

In the present article, sunscreens containing the antioxidants vitamin E and diethylhexyl syringylidene malonate were tested for their efficacy in preventing UV-induced reactive oxygen species in the lower stratum corneum. The addition of the antioxidants was found to significantly improve the ability of low to high SPF sunscreens to attenuate ROS formation in UV-exposed skin.

Comparatively Speaking: SPF vs. FEF

Here, industry expert Tony O'Lenick asks Thomas O'Lenick, PhD, to explain the difference between SPF and FEF, including a discussion on how a formulator can adjust the formulation for higher SPF and FEF with the same amount of actives.

Industry Debate: US FDA vs. Sunscreens

During last month’s NYSCC Suppliers' Day, several attendees expressed frustration regarding the delay of the US Food and Drug Administration’s Final Sunscreen Monograph. Cosmetics & Toiletries asked its LinkedIn members to comment. Here’s what the market had to say.

The Effects of Solvents on Sunscreens: A New Ester to Improve Efficiency

The present paper evaluates the effects of solvent systems on the in vivo SPFs of sunscreen formulations. Formulations incorporating identical active systems were prepared using traditional solvent systems and varying concentrations of sorbeth 2 hexaoleate, a new ester having both polar and nonpolar segments. Results indicate the ester enhances SPF in a dose-dependent manner.

Colored Sunscreen with Zinc Oxide UVA/UVB Protection

Offbeat Sunscreen LLC has created a line of child-friendly sun care products that utilize micronized zinc oxide to protect skin from UVA/UVB radiation.

Read the Label Online: Avon ANEW Solar Advance Sunscreen Face Lotion SPF 45

This online-only "Read the Label," by industry expert and new C&T columnist Irwin Palefsky, reviews the labels of finished products to discuss why specific ingredients were chosen. Here, Avon's ANEW Solar Advance Sunscreen Face Lotion SPF 45 is discussed.

Until Milan

This issue of Cosmetics & Toiletries magazine carries a truly sunny disposition, as several of its features are relevant to sun care formulating.

Formula Anatomy Deciphered—Sun Damage Prevention and Repair

It is obvious that UVA and UVB radiation damage human skin. Therefore, the question of whether UV damaged skin can be adequately repaired remains to be answered.

Topical Resveratrol, Topical/Ingested Grape Seed and Natural Supplements Found to Inhibit Skin Cancer

Researchers at the University of Texas Health Science Center, San Antonio, report that the combination of topical resveratrol, topical or dietary grape seed extract, and calcium D-glucarate and ellagic acid supplements suppress skin cancer and inflammation. These findings could be used to develop supplements or creams to protect skin.

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