Patent Pick: Low UV Content Reaches New SPF Heights

Sep 14th, 2018

Rachel Grabenhofer

WomanSunMountain850

Unilever inventors have a new sunscreen invention that, according to a recent patent, is capable of minimizing cost and UV filter exposure while maximizing efficacy.

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Circular beauty through upcycling

Circular beauty through upcycling

Thinking to start using upcycled ingredients but also need performance? How new innovative biobased company supports sustainability through upcycling.

LignoGuard uses Fibenol’s Lignova raw material made from locally generated forestry and wood industry residues such as sawdust, woodchips and low-quality hardwood.

Lignovations Develops Multifunctional Ingredient LignoGuard

LignoGuard uses Fibenol’s Lignova raw material made from locally generated forestry and wood industry residues such as sawdust, woodchips and low-quality hardwood. The ingredient provides photoprotection and antioxidant properties.

Sun protection is becoming established as a mainstay in consumer regimens. So how might the industry push the envelope when it comes to sunscreen innovation? A quick patent search provides clues.

Kynurenines, Layered SPF, Red Algae and More: Sunscreen Patent Roundup

The Universities of Princeton and Utah, L'Oréal, Unilever, Kolmar Korea, Athena, Shiseido, Murata Manufacturing, LG Household & Health and Beiersdorf, among others, have recently published patents related to sunscreen innovation. Following is a roundup.

Among the natural compounds, polyphenols have been widely explored for their radiation-absorbing properties.

Apple Polyphenols Grow Natural Sun Protection Possibilities

Plants have evolved metabolites to face photo-oxidative stress and irradiation. Apples, for example, are ripe with antioxidant and SPF opportunity, as research published in Molecules suggests.

Per Gattefossé, the sunscreens have been tested in real-use conditions and utilized a UV camera to visualize the formula once applied to the skin, as well as how it evolves over time.

Gattefossé Launches Sun Care Kit for Sensory, Performance and Stability

Per Gattefossé, the sunscreens have been tested in real-use conditions utilizing a UV camera to visualize the formulas upon application to the skin, as well as how they evolve over time.

The w5 reduced peptide had better photostabilization activity than that of W5 and also individual D-tryptophan and L-tryptophan amino acids.

L-Tryptophan Studies Uncover Photostability Insights

Inspired by differences observed between L-tryptophan and D-tryptophan containing the contryphan-Ar1131 peptide, researchers chemically synthesized a solution that could aid in the photostabilization of avobenzone.

Assure+ boosts SPF and UVA-PF values when used in mineral only and hybrid sunscreen formulations. The high purity extract increases these properties by 20-40%.

[with formula] EverCare's Assure+ Boosts SPF in Certain Sunscreens

Recent data shows at low concentrations, Assure+ boosts SPF and UVA-PF values in mineral only and hybrid sunscreen formulations. The high purity extract increased these properties by 20-40%.

Grant Ct2207 Lead

Grant Industries’ Updated Sun Care Technologies

Re-introducing Grant UV solutions for improving sensory aesthetics, durability, and SPF efficiency!

Neo Heliopan EHT works well with all skin types and skin tones, according to Symrise. The UVB absorber can also go into products for daily care and for the sensitive skin of children.

Symrise Presents UV Filter Neo Heliopan EHT

Neo Heliopan EHT (INCI: Ethylhexyl Triazone) works well with all skin types and skin tones, according to Symrise. The UVB absorber can also go into products for daily care and/or for the sensitive skin of children.

Eighteen studies identified complications such as rash, irritation, immune system disorders, stratum corneum DNA damage and hormonal disruption.

Literature Review Connects Sunscreen Absorption with Potential Adverse Effects

A literature review published in Dermatology Research suggests the potential adverse effects, i.e., irritation, rashes, hormone disruption, etc., of sunscreen ingredients absorbed into human skin and present in human plasma and urine.

An article highlights the potential dangers of UV VIS and infrared light and a need to further test natural products, while suggesting methods to further strengthen current sunscreen and anti-aging products.

How Natural Antioxidants, Iron Chelators Boost Sunscreens and Anti-aging Products

A recent article reviews the mechanisms of aging caused by excess ROS production due to UV, visible and infrared light exposure. Natural antioxidants with specific properties are proposed to strengthen sunscreens and anti-aging products.