Beta-Hydroxy Acids (BHAs)
Definition: Beta-Hydroxy Acids (BHAs) are a group of organic carboxylic acids with exfoliating properties that can penetrate the skin's pores. They are known for their ability to remove dead skin cells, unclog pores, and promote skin renewal.
Use in Cosmetics: BHAs are commonly found in various skincare products, including cleansers, toners, moisturizers, and acne treatments. Their ability to penetrate deeply into the skin makes them particularly effective for oily and acne-prone skin types. BHAs are often used to treat a wide range of skin concerns, such as acne, blackheads, and uneven skin texture.
Other Names: Salicylic acid is the most well-known and widely used BHA in skincare. It may also be listed under other names such as salix alba (willow) bark extract, which is a natural source of salicylic acid.
Benefits for Inflammaging: BHAs have anti-inflammatory properties that can help calm inflammation and redness in the skin, making them beneficial for addressing inflammaging (aging caused by chronic inflammation). By promoting exfoliation and reducing pore-clogging, BHAs can also prevent the formation of new acne lesions, which can contribute to skin aging.
Skin Sensitivities: While BHAs are generally safe for most skin types, individuals with sensitive skin should use them with caution. Salicylic acid, in particular, may cause skin irritation or dryness, especially with higher concentrations or frequent use. It's recommended to start with lower concentrations and gradually increase usage as the skin builds tolerance.
Risks: Overuse of BHAs can lead to skin irritation, peeling, and dryness. It's important to follow product instructions and not to use multiple exfoliating products simultaneously. Additionally, BHAs can increase the skin's sensitivity to the sun, making it crucial to apply sunscreen daily when using BHA-containing products.
For Sensitive Skin Consumers: If you have sensitive skin, consider patch testing a new BHA product on a small area before full application. Look for formulations specifically designed for sensitive skin, which may contain lower concentrations of BHAs or be combined with soothing ingredients to minimize potential irritation.