What Is (±)-Lipoic Acid?

Learn about the antioxidant characteristics of (±)-Lipoic acid and its usage in personal care products.

What Is (±)-Lipoic Acid? Brandon Jones / IngredientReviewer

Last Updated: October 2, 2024

Written by Brandon Jones

What Is (±)-Lipoic Acid?

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Thioctic acid, also known as alpha-lipoic acid, is a compound that helps to protect our skin from damage caused by harmful molecules called free radicals. It does this by acting as an antioxidant. Thioctic acid can repair any damage caused by these free radicals and also help to regenerate other antioxidants in our body, like vitamins C and E and glutathione. It is made up of a type of fatty acid called pentanoic acid that contains sulfur atoms. Our body can make thioctic acid from another fatty acid called linoleic acid, but it is also available in dietary supplements.

What is the purpose of (±)-Lipoic acid in personal care products? It is used for its antioxidant characteristics. (±)-Lipoic acid prevents oxidation.

Names and identifiers that we found for this substance include: (±)-Lipoic acid, Thioctic Acid, 1,2-Dithiolane-3-pentanoic acid, "1,2-Dithiolane-3-valeric acid, (±)-", and 5-(1,2-Dithiolan-3-yl)pentanoic acid.

What Are Antioxidant Ingredients?

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(±)-Lipoic acid has antioxidant characteristics.

Antioxidants neutralize harmful molecules caused by pollution, UV radiation, and stress that can damage skin cells. Antioxidants can help reduce inflammation and redness. Antioxidant ingredients are also used in skincare products to keep skin healthy and youthful, extend the shelf life of food and beverages, and prevent the breakdown of active ingredients in medications.

Types of Antioxidants Ingredients

Here are some of the most common types of antioxidants ingredients in cosmetics and other products:

  • Vitamins: Certain vitamins, such as vitamins C, E, and A (retinol), are known for their antioxidant properties.

  • Botanical extracts: Many plants contain natural antioxidants that can be extracted and used in cosmetics. Examples include green tea, grape seed, pomegranate, and chamomile.

  • Peptides: Certain peptides, such as glutathione, can have antioxidant properties and may be used in cosmetics.

  • Carotenoids: Carotenoids are pigments found in plants that have antioxidant properties. Some examples include lycopene, beta-carotene, and astaxanthin.

Safety

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Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.