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    • Deprecated function: Return type of DatabaseStatementBase::execute($args = [], $options = []) should either be compatible with PDOStatement::execute(?array $params = null): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2246 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).
    • Deprecated function: Return type of DatabaseStatementEmpty::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2348 of /var/www/webmd/apps/mdedge/htdocs/includes/database/database.inc).

    Leslie S. Baumann, MD

    Opinion

    Cysteamine and melasma

    Author:
    Leslie S. Baumann, MD
    Publish date: November 1, 2023

    In the last decade, cysteamine has been established as a potent depigmenting agent. Its suitability and desirability as a top consideration for...

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    News

    Almonds and almond oil

    Author:
    Leslie S. Baumann, MD
    Publish date: September 7, 2023

    In the last decade, intriguing results have emerged regarding the effects of almond consumption or topical almond oil administration on skin...

    • Read More

    Opinion

    Bergamot

    Author:
    Leslie S. Baumann, MD
    Publish date: April 17, 2023

    Beyond its niche role in treatments for vitiligo and psoriasis, this botanical product appears to show potential as an anti-inflammatory agent as...

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    Opinion

    Camellia japonica

    Author:
    Leslie S. Baumann, MD
    Publish date: February 3, 2023

    A dry oil known as tsubaki oil, derived from C. japonica and rich in oleic acid, polyphenols, as well as vitamins A, C, D, and E, is used...

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    Opinion

    Saururus chinensis

    Author:
    Leslie S. Baumann, MD
    Publish date: December 8, 2022

    Modern research has produced evidence supporting the use of this plant in the dermatologic realm.

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    Opinion

    Ulmus davidiana root extract

    Author:
    Leslie S. Baumann, MD
    Publish date: November 16, 2022

    There are several areas in which the bioactivity of U. davidiana are under investigation, with numerous potential applications in...

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    Opinion

    Vaccinium myrtillus (bilberry seed oil) extract

    Author:
    Leslie S. Baumann, MD
    Publish date: October 19, 2022

    Bilberries, consumed since ancient times, are reputed to function as potent antioxidants because of a wide array of phenolic constituents, and...

    • Read More

    Opinion

    Artemisia capillaris extract

    Author:
    Leslie S. Baumann, MD
    Publish date: September 16, 2022

    Various parts of the shrub Artemisia capillaris, found abundantly in China, Japan, and Korea, have been used in traditional medicine in...

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    Opinion

    Is benzophenone safe in skin care? Part 2: Environmental effects

    Author:
    Leslie S. Baumann, MD
    Publish date: June 7, 2022

    Various UV filters, including BP-3, octinoxate, octocrylene, and ethylhexyl salicylate, are thought to pose considerable peril to the marine...

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    Article

    Is benzophenone safe in skin care? Part 1: Risks to humans

    Author:
    Leslie S. Baumann, MD
    Publish date: May 18, 2022

    The best known uses of these compounds are as perfume fixatives and sunscreen agents.

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    Opinion

    The science of clean skin care and the clean beauty movement

    Author:
    Leslie S. Baumann, MD
    Publish date: March 15, 2022

    The problem is that no one agrees on a clean ingredient standard for beauty products.

    • Read More

    Opinion

    Moisturizers and skin barrier repair

    Author:
    Leslie S. Baumann, MD
    Publish date: December 13, 2021

    There are dozens of skin care products that claim to repair the barrier that do not have the science or ingredient content to back them up.

    • Read More

    Opinion

    Does the use of frankincense make sense in dermatology?

    Author:
    Leslie S. Baumann, MD
    Publish date: November 9, 2021

    Terpenoids and essential oils are the primary components of frankincense and are known to impart anti-inflammatory and anticancer activity.

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    Opinion

    The tryptophan photoproduct FICZ and its effects on the skin

    Author:
    Leslie S. Baumann, MD
    Publish date: October 15, 2021

    Much more research is necessary to determine how best to harness and direct the useful activities of tryptophan and FICZ without incurring...

    • Read More

    Opinion

    Vetiver: More than a pleasant aroma?

    Author:
    Leslie S. Baumann, MD
    Publish date: September 17, 2021

    An important ingredient in the contemporary perfume and cosmetics industries, vetiver, is the only grass cultivated throughout the world to retain...

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    • MDedge Home
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