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Type: Article

Section: Research > Literature/Data

Nanotechnology-based formulas can improve the behavior release of ingredients and their skin penetration. Fullerene nanoparticles, in particular, are useful for ROS scavenging. This review summarizes recent trends in fullerene-containing skin care.

Fullerene Nanoparticles: Power Skin Penetration, Antioxidant Defense

Nanotechnology-based formulas can improve the behavior release of ingredients and their skin penetration. Fullerene nanoparticles, in particular, are useful for ROS scavenging. This review summarizes recent trends in fullerene-containing skin care.

Patent Picks— Emolliency, Antioxidant, Colorstay and Styling Benefits in Hair

Patent Picks are taken from publicly available sources. This edition features patents related to hair care, including hair styling, conditioning, colorstay and more.

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Safeguarding Squalene: Lemon Myrtle Antioxidant for Pollution Protection and Oleostasis

Squalene becomes easily oxidized when exposed to pollution and UV radiation, which promotes skin inflammation, the production of poor-quality sebum, comedogenesis and wrinkling. Lemon myrtle leaf extract neutralizes squalene oxidation and can protect all ethnic skin types from environmentally induced oily skin, restoring oleostasis.

Patent Picks—Açai Palm Anti-aging, Sea Fennel and Tomato Healing, Ginger Antioxidant and More

Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features patents related to naturals and botanicals in skin care.

Patent Picks—Melanin Stimulator, Broad-spectrum Antioxidant, AHA Boost to BHA Solubility and More

Patent Picks are taken from publicly available sources, and cover recent patents issued or patent applications in cosmetics, personal care and peripheral markets. This edition features technologies related to skin care actives.

Skin Antioxidants

The skin is supplied with an antioxidant defense system that includes enzymatic and nonenzymatic components.

Alpha-Lipoic Acid and Other Topics

Lin et al report that alpha-lipoic acid is ineffective as a topical antioxidant. This contradicts a previously published study that proposed alpha-lipoic acid as an antioxidant for topical application to protect the skin against ultraviolet photodamage including skin cancer and photoaging changes.

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Lauder Findings on Sirtuins, Stress and Eucalyptus

New findings highlight the importance of sirtuins in skin cell activity, how they relate to environmental signals and circadian rhythm, plus the antioxidant efficacy of eucalyptus.

Technically Speaking--Resveratrol

Polyphenols are among the botanicals reported to possess substantial anticarcinogenic and antimutagenic activities because of their antioxidant and anti-inflammatory properties. Ajinomoto Omnichem and Estée Lauder disclose topical compositions containing phosphorylated polyphenols1 in combination with a topically acceptable carrier.

TechEdge--Understanding Reactive Oxygen Species

One antioxidant does not address all of the different free radicals that may be formed by an oxidative stress. Thus it is best to use a blend. In selecting antioxidants, a chemist must consider concentration and the effect of synergies or antagonists.

Influence of Skin Diffuse Reflectance on Sun Damage and Ingredient Efficacy Measurements

Current in vitro methods to assess photostability and antioxidant activity do not account for the diffuse reflectance of skin. Described here is an in vitro test that addresses this variable, mimics end-use product conditions and models photodamage processes. The approach is employed to determine the efficacy of an antioxidant from the Camellia sinensis (tea) plant.

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Chocolate and Wine: The Perfect Match for Skin?

The International Journal of Molecular Sciences had us at "hello" this month, with a new study comparing the phenolic compounds in chocolate (actually, cocoa by-products) vs. wine (okay, grape seed) extracts for antioxidant and anti-inflammatory skin benefits.

From Green Tea to Dibenzoylmethane Derivatives

Katiyar et al. have published a review on green tea polyphenolic antioxidants and skin photoprotection. Green tea is consumed as a popular beverage worldwide, particularly in Asian countries such as China, Korea, Japan and India, and it contains polyphenolic compounds known as epicatechins, which are antioxidant in nature.

Comparatively Speaking: Cofactors vs. Coenzymes

Enzymes for DNA repair or Coenzyme Q10 for antioxidant and antiaging benefits have become typical ingredients in today's skin care. Here, industry expert O'Lenick illustrates the difference between cofactors and coenzymes.

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Inside Ingredients: Pumpkin

Pumpkin is widely used in traditional Chinese and Ayurvedic folk medicine as an anti-inflammatory, analgesic, antioxidant and more. Read on to learn more about his humble gourd.

Influence of Skin Diffuse Reflectance on Sun Damage and Ingredient Efficacy Measurements

Current in vitro methods to assess photostability and antioxidant activity do not account for the diffuse reflectance of skin. Described here is an in vitro test that addresses this variable, mimics end-use product conditions and models photodamage processes. The approach is employed to determine the efficacy of an antioxidant from the Camellia sinensis (tea) plant.

From UV Protection Combinations to Solid Dialkyl Ketones in Cosmetics

Combinations for UV protection: Lin et al. have published on UV protection by a combination of topical antioxidants, vitamin C and vitamin E.

Natural Oils for the Prevention of Hair Damage and Other Topics

In a recent patent L’Oreal describes cosmetic compositions containing colloidal silica-alumina composite particles. The composition is used for smoothing wrinkles and skin. An example is shown in Formula 1.

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