Exfoliants (AHA/BHA)

The best exfoliants (aha/bha).

Exfoliation is the process of removing the outermost layer of dead skin cells (the stratum corneum) to reveal fresher, smoother, and more radiant skin underneath. As we age, the natural cell turnover cycle slows from approximately 28 days in our twenties to 40-50 days in our fifties, leading to a buildup of dead cells that causes dullness, clogged pores, uneven texture, and increased prominence of fine lines. Exfoliants are broadly divided into two categories: chemical exfoliants, which use acids or enzymes to dissolve the bonds between dead skin cells, and physical exfoliants, which manually dislodge them through friction. Chemical exfoliants are further categorized into AHAs (alpha hydroxy acids like glycolic, lactic, and mandelic acid, which target the skin's surface), BHAs (beta hydroxy acids, primarily salicylic acid, which is oil-soluble and penetrates pores), and PHAs (polyhydroxy acids like gluconolactone, which offer gentle exfoliation suitable for sensitive skin). The shift from abrasive physical scrubs (think St. Ives Apricot Scrub) to chemical exfoliants represents one of the most significant evolutions in modern skincare, driven by dermatologists who have long warned that harsh physical exfoliation can cause micro-tears in the skin barrier. The global chemical exfoliant market was valued at approximately $2.1 billion in 2025, with BHA (salicylic acid) products accounting for the largest share due to their effectiveness against acne.

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The exfoliant category in 2025-2026 is characterized by the growing sophistication of acid formulations and the mainstreaming of enzymatic exfoliation. Paula's Choice 2% BHA Liquid Exfoliant remains the undisputed market leader, consistently ranking as the number one exfoliant across virtually every major beauty publication. However, innovation is flourishing at every price point. Dr. Dennis Gross Alpha Beta Peel Pads have pioneered the multi-acid approach, combining five different acids in a convenient two-step pad format that delivers controlled exfoliation without the mess of liquid products. The 'progressive exfoliation' concept ΓÇö using different acids on different nights to target multiple skin concerns ΓÇö has been popularized by the 'skin cycling' trend on social media, where users alternate between retinol night, acid night, and recovery night. Enzymatic exfoliants from papaya (papain), pineapple (bromelain), and pomegranate are gaining popularity as a gentler alternative to acids, particularly in the natural/clean beauty segment where brands like Herbivore, Tata Harper, and Kypris offer enzyme-rich formulations. AHA alternatives like tranexamic acid and azelaic acid, which provide brightening and smoothing benefits without the traditional tingling sensation of glycolic acid, are rapidly gaining ground. The Korean 'peeling pad' format ΓÇö pre-soaked cotton pads with exfoliating solutions ΓÇö continues to dominate in Asia and is growing in Western markets, with brands like COSRX, Some By Mi, and Neogen offering pad-based exfoliants at accessible price points. Looking ahead, the trend is moving toward 'smart exfoliation' ΓÇö formulations that adjust their activity based on the skin's pH, moisture levels, or time of application.

Best for different goals.

Acne-prone skin

Salicylic acid remains one of the most practical choices for oilier, congestion-prone skin.

Rough texture and glow

Glycolic and lactic acid formulas help with surface roughness and visible dullness.

Sensitive skin

Lower-frequency use and gentler acid blends are often more sustainable than daily exfoliation.

Category FAQ.

How often should I exfoliate?

One to three times a week is enough for many routines, depending on acid strength and overall skin tolerance.

What is better for blackheads: AHA or BHA?

BHA, especially salicylic acid, is usually the better fit for blackheads and pore congestion.

Can exfoliants damage the skin barrier?

Yes. Overuse can trigger irritation, sensitivity, and rebound dehydration.

Notes before you purchase.

  1. 01

    Choose exfoliation by concern: BHA for congestion, AHA for dullness and texture.

  2. 02

    Frequency matters more than strength for most people.

  3. 03

    If the barrier is already impaired, repairing skin first usually produces better results than pushing stronger acids.