The Best Exfoliators for Sensitive Skin: Gentle Acids and Enzymes

The best exfoliators for sensitive skin are mild chemical ones: large-molecule acids, low strengths and PHAs. Our picks are Paula's Choice 6% Mandelic + 2% Lactic Acid, Cetaphil Gentle Exfoliating SA Cleanser, The Ordinary Lactic Acid 5% + HA and, for fragrance-tolerant skin, Mario Badescu Enzyme Cleansing Gel. Start with one use a week, then build up slowly.

Because "sensitive" means different triggers for different people, you can scan any of these with the ingredient scanner in Pori to see how each ingredient is flagged for your own skin type before you buy.

Below you'll find a side-by-side table, why mandelic acid, PHAs and enzymes tend to suit reactive skin, an honest note on each pick (including the warnings their own labels carry), a week-by-week way to start, and when to stop and see a dermatologist. These are ingredient-and-evidence picks, not hands-on tests.

Which exfoliators are gentlest for sensitive skin?

The gentlest are the ones with the mildest acids at modest strengths, used least often. Here's how the four picks compare, with prices as listed on brand pages in October 2026.

Why do large-molecule acids and enzymes suit reactive skin?

Bigger molecules move into the skin more slowly, so the exfoliating effect builds gradually and stinging is less likely. Paula's Choice describes mandelic acid as "an alpha hydroxy acid whose larger molecular size and slower rate of penetration make it the gentlest AHA," and The Ordinary says its mandelic serum has "a larger molecular weight than other alpha hydroxy acids" for a slower, more balanced distribution.

PHAs such as gluconolactone work in a similar slow way. A review in Clinical, Cosmetic and Investigational Dermatology describes them as a newer generation that provide effects similar to AHAs but with less irritation. Enzyme exfoliants, usually from papaya (papain) or pineapple, are the mildest in theory, though we found little clinical research on enzyme cleansers specifically, so treat their benefits as modest.

Sensitive skin itself is defined by symptoms. An expert position paper describes it as unpleasant sensations such as stinging, burning, pain, itching and tingling that can't be explained by a skin disease. That's why the best choice is often the product with the fewest extras: no fragrance, low acid strength and nothing else new in your routine that week. The AAD notes that people with sensitive skin may do well with just a washcloth and a mild chemical exfoliator.

What makes each pick worth trying?

Paula's Choice 6% Mandelic + 2% Lactic Acid: the best first leave-on acid

This is the pick we'd start with if you want a leave-on exfoliant. The brand calls it "our most gentle AHA," says it suits people who have struggled with other AHAs, including those with sensitive skin, and tells first-time users to begin once every other day. Its stated pH range is 3.0–4.0. The page also advises a broad-spectrum SPF 30 or higher during the day. For more on this acid, see our guide to mandelic acid.

Cetaphil Gentle Exfoliating SA Cleanser: the lowest-commitment option

A rinse-off cleanser sits on your skin for under a minute, which makes it a low-risk way to test whether your skin likes acids at all. Cetaphil's formula combines a triple acid blend of salicylic acid (BHA), mandelic acid (AHA) and gluconolactone (PHA) with niacinamide, panthenol and glycerin. The brand says it's fragrance-free and suitable for daily use on sensitive skin. It doesn't state the salicylic acid percentage. Even with that daily-use claim, two or three times a week is a sensible start if your skin is reactive.

The Ordinary Lactic Acid 5% + HA: cheap, but read the warning

Lactic acid is one of the milder AHAs, and at 5% this is a low-strength formula for $8.10. The Ordinary's product description calls it ideal for dry and sensitive skin, yet its own warnings say not to use it on sensitive, peeling or compromised skin and recommend a patch test first. We read that as: fine for skin that's dry and easily dulled, less suited to skin that stings with most products. Its directions say once daily, ideally in the evening, and that you can dilute it with other products until your skin adjusts. See lactic acid for dry skin for more.

Mario Badescu Enzyme Cleansing Gel: gentle action, not the gentlest formula

This gel uses papaya fruit extract, which the brand says contains papain to break down dulling dead cells, plus grapefruit extract as a source of alpha hydroxy acids. It's a rinse-off cleanser, and the brand suggests leaving it on for one to five minutes as a mask for a stronger effect. Two cautions for sensitive skin: the brand lists it for combination and oily skin, and the ingredient list includes fragrance, dyes and diazolidinyl urea, a preservative. If fragrance is one of your triggers, skip this one. If it isn't, it's an easy, low-strength way to exfoliate once or twice a week.

How should you start exfoliating sensitive skin?

Patch test first, then start once a week and add a session only when your skin stays calm. The AAD's home patch test is to apply a product to a quarter-sized spot on the inside of the arm or the bend of the elbow twice daily for seven to 10 days; if there's no redness, itching or swelling, you can start using it. Our guide to patch testing skincare has more detail.

1. Change one thing at a time. Start the exfoliant in a week when nothing else in your routine is new.
2. Moisturize right after. The AAD advises applying moisturizer right away, since exfoliation can be drying.
3. Keep it away from retinoids at first. Exfoliating while using retinoids, retinol or benzoyl peroxide may worsen dry skin or even cause acne breakouts.
4. Wear sunscreen daily. The FDA found that four weeks of AHA use raised sensitivity to UV-caused reddening by 18 percent, and recommends sun protection while using AHAs and for a week afterward.

Which exfoliators should sensitive skin avoid?

Avoid anything that relies on force, high strength or stacking. Mechanical exfoliation with scrubs, brushes and sponges can be too harsh for sensitive, dry or acne-prone skin, and the AAD's rule is that the more aggressive the method, the less often you should use it. Our St. Ives Apricot Scrub review looks at the best-known example.

• Gritty scrubs with large, irregular particles.
• High-strength glycolic products or at-home peels as a first acid.
• Using two acid products on the same night.
• Exfoliating over sunburn, cuts or open spots, which the AAD advises against.
• Aggressive exfoliation if you have darker skin or dark marks, since harsh exfoliation can increase pigmentation in some people.

When should you see a dermatologist instead?

See a dermatologist if burning or redness lasts more than a day, if you get a rash, swelling or itching after a product, or if you have rosacea, eczema or perioral dermatitis. Those conditions need a treatment plan, and exfoliating can make them worse. The AAD recommends consulting a board-certified dermatologist if you're unsure whether exfoliation is right for you.

If you're pregnant, check with your obstetrician before starting any new acid. The AAD says salicylic acid is generally considered safe when used for a limited time but still recommends asking first, and Paula's Choice advises checking with your doctor if you're unsure about its mandelic formula.

The bottom line

For most reactive skin, the safest path is a slow-moving acid, used rarely at first. Paula's Choice 6% Mandelic + 2% Lactic is our first pick for a leave-on, Cetaphil's SA cleanser is the easiest low-risk test, The Ordinary's Lactic 5% suits dry skin on a budget, and Mario Badescu's enzyme gel works if fragrance doesn't bother you. Start once a week, moisturize, wear sunscreen and let your skin set the pace.