Squalene
Squalene
Squalene is a natural triterpene hydrocarbon (C30H50) known for its presence in high concentrations in shark liver oil, as well as in a variety of plant and animal sources. It serves as a biochemical precursor to the whole family of steroids. Due to its antioxidant properties and its role in the synthesis of sterols, squalene is used in dietary supplements and cosmetics, offering various health and skin benefits.
Sources
Squalene is most notably found in:
- Shark liver oil, where it is present in high concentrations.
- Plant sources, such as olive oil, amaranth seed, rice bran, wheat germ, and yeasts.
- Human sebum, contributing to skin's natural moisturizing and protective barrier.
Applications
Dietary Supplements
Squalene is marketed as a dietary supplement, attributed with potential health benefits including:
- Boosting the immune system.
- Antioxidant properties that may protect cells from damage.
- Supporting cardiovascular health.
Cosmetics
In cosmetics, squalene is valued for its emollient properties, making it a popular ingredient in:
- Moisturizers and lotions.
- Anti-aging creams.
- Lip balms and glosses.
- Foundation and other makeup products, for its skin-conditioning effects.
Health Benefits and Considerations
While squalene is considered safe for most people, its consumption in high doses may cause gastrointestinal discomfort or skin irritation in some individuals. As a supplement, it's important to adhere to recommended dosages and consult healthcare providers for personalized advice.
Environmental and Ethical Considerations
The extraction of squalene from shark liver has raised concerns regarding marine conservation and the ethical treatment of sharks. This has led to increased interest in plant-based sources of squalene, which offer a sustainable alternative without harming marine ecosystems.
See Also
External Links
- National Center for Biotechnology Information - Squalene and its potential clinical uses
- Cosmetic Ingredient Review - Squalene
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