According to the CIR Expert Panel, products containing BHA, such as salicylic acid, are safe if their formulation was designed to avoid both skin irritation and increased sun sensitivity. Currently, the BHA most commonly used in cosmetics is salicylic acid. On rare occasions, citric acid is also cited as a BHA in cosmetic formulations. More commonly, citric acid is referred to as an AHA. BHA seems to be more effective for treating skin conditions like acne because of its antibacterial properties. Malic acid is a type of AHA-BHA crossover. It’s made from apple acids. Compared to other AHAs, malic acid isn’t as effective as a solo ingredient. However, you might find it makes other acids more effective. Salicylic Acid is a beta hydroxy acid (BHA) that exfoliates the skin', explains founder of the Tempus Nu Yu Concept, cosmetic dermatologist and laser surgeon, Dr. Nada Soueidan. 'It is lipophilic which means that it is an oil soluble acid that can penetrate skin and clogged pores.'

https://www.dovepress.com/an-antiaging-skin-care-system-containing-alpha-hydroxy-acids-and-vitam-peer-reviewed-fulltext-article-CCID Additionally, if you don't have skin issues that require treatment with salicylic acid, then it's better to keep things simple. 'Salicylic acid is typically for people who have acne - if you don’t have any indication of this then there is no point using an acid like this on your skin,' says Dr Emma Craythorne. 'Unless you're using it for the purpose previously mentioned then I would avoid it entirely.' Can you use salicylic acid with retinol? Studies typically use products with different active ingredients and different instructions for use, making comparing products a challenge. How does a BHA (salicylic acid) exfoliant work? Find out here. How to use and buy salicylic acid products The Cosmetic Ingredient Review (CIR) Expert Panel suggests that products containing glycolic acid and lactic acid are safe if:An anti-inflammatory effect can help skin to look less red and inflamed,’ she continues. ‘The general exfoliating effect will help the skin look brighter and smoother and allow other skincare products to penetrate the skin more effectively.’ Salicylic acid as an exfoliant No matter which AHA you choose, the strong exfoliating effects make your skin more sensitive to the sun. Wear sunscreen every morning to prevent burns, age spots, and increased skin cancer risks. Glycolic

KornhauserA, et al. (2009). The effects of topically applied glycolic acid and salicylicacid on ultraviolet radiation-induced erythema, DNA damage and sunburn cellformation in the human skin. DOI: Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. A person should base their choice of skin product on which hydroxy acid is most suitable for their specific need.Lactic acid is another common AHA. Unlike other AHAs made from fruits, lactic acid is made from lactose in milk. It’s also known for its significant exfoliation and anti-aging effects.