Choosing between AHA or BHA exfoliants can feel overwhelming when you’re trying to achieve clearer, smoother skin. These powerful acids work differently to address various skin concerns, making it essential to select the right one for your needs.
AHAs (alpha hydroxy acids) are water-soluble and work on the skin’s surface to remove dead cells, while BHAs (beta hydroxy acids) are oil-soluble compounds that penetrate deeper into pores. This fundamental difference determines which acid will work best for your specific skin concerns. It’s important to have the correct skin type before choosing the best product for your skin. The wrong acid can cause skin barrier issues that make your skin irritated and cause breakouts.
If you’re dealing with uneven texture, hyperpigmentation, or dry skin, you might benefit from AHAs. For acne-prone or oily skin with clogged pores, BHAs could be your ideal choice. The good news is that both types of acids are effective exfoliants that can improve your skin’s appearance when used correctly.
Understanding AHAs and BHAs
Chemical exfoliants work to remove dead skin cells and improve skin texture. Both AHAs and BHAs offer unique benefits for different skin concerns.
Definition and Key Properties
AHAs (Alpha Hydroxy Acids) are water-soluble compounds that work on the skin’s surface. These acids include glycolic acid, lactic acid, and mandelic acid. They excel at breaking down the bonds between dead skin cells.
BHAs (Beta Hydroxy Acids) are oil-soluble molecules that can penetrate deeper into your pores. The most common BHA is salicylic acid, which helps dissolve excess oil and dead skin cells inside the pores.
Your skin type plays a crucial role in choosing between these exfoliants. AHAs work best for dry or sun-damaged skin, while BHAs are ideal for oily or acne-prone skin.
Comparison of AHAs and BHAs
Benefits by Skin Concern:
- AHAs: Surface-level exfoliation, treating enlarged pores and fine lines
- BHAs: Deep pore cleansing, treating blackheads and acne
Strength and Sensitivity:
- AHAs tend to be more aggressive and may cause initial irritation
- BHAs are generally gentler and better tolerated by sensitive skin
You can use these exfoliants separately or combine them based on your skin’s needs. Start with lower concentrations to test your skin’s tolerance.
Benefits and Uses in Skincare
AHAs and BHAs act as chemical exfoliants to remove dead skin cells and improve skin texture. Each type offers unique advantages for specific skin concerns and can be found in various skincare formulations.
Benefits for Different Skin Types
AHAs work effectively on the skin’s surface to address hyperpigmentation and fine lines. Your dry or sun-damaged skin will benefit most from AHAs like glycolic and lactic acid.
BHAs penetrate deeper into your pores, making them ideal if you have oily or acne-prone skin. The antibacterial properties of BHAs help combat breakouts while reducing inflammation.
For sensitive skin, start with gentler formulations at lower concentrations. You can gradually increase strength as your skin builds tolerance.
Common Skincare Products
Popular AHA products include:
- Glycolic acid toners
- Lactic acid serums
- Chemical peels
- Night creams
BHA products typically feature:
- Salicylic acid cleansers
- Spot treatments
- Pore-clearing masks
- Treatment pads
Choose products with concentrations between 2-10% for AHAs and 0.5-2% for BHAs. Your nighttime skincare routine is the best time to apply these exfoliants.
Kerry Spindler is an esteemed aesthetician with over 30 years of expertise in the beauty and fashion industry. Kerry has been prominently featured on prestigious media platforms such: as Fox Health, Telemundo, Harper’s Bazaar, Real Simple Magazine, Elite Daily, InStyle Magazine, Cosmopolitan and more. With her extensive knowledge of the beauty industry (as a whole), she takes pride in boosting individuals’ confidence. Kerry operates one of Boston’s premier spas, offering skincare, facial treatments, and holistic wellness services for a comprehensive whole-body experience.