Don’t be scared of acid exfoliants – they can be gentler and better than scrubs

Recent skincare product launches highlight that acid exfoliants, especially milky formulations, are safer and gentler than many believe, offering effective exfoliation without irritation.

Multiple brands, including Naturium, Trinny London, and The Ordinary, have introduced milky acid exfoliants containing polyhydroxy acids (PHAs) and other gentle acids. These products are designed to exfoliate dead skin cells effectively while minimizing redness and irritation, making them suitable for sensitive skin. For instance, Naturium’s Multi Bright Milky Toner combines gluconolactone, azelaic acid, and moisturizing ingredients like squalane and glycerin, providing a soothing, brightening effect. Similarly, Trinny London’s Tiptoe In uses gluconolactone and lactobionic acid for gentle exfoliation, with added humectants for comfort. The Ordinary’s Milky Toner offers a cost-effective option that suits all skin types, including oily and dry skin, with a gentle, non-drying formula.

Why It Matters

This shift towards milky, gentle acids in skincare is significant because it challenges the misconception that acids are harsh and unsuitable for sensitive skin. It broadens the range of effective exfoliation options, potentially reducing reliance on abrasive physical scrubs, which can cause microtears and irritation. For consumers, this means safer, more comfortable skincare routines that still deliver visible improvements in skin texture, tone, and makeup application.

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Background

Acid exfoliation has traditionally been associated with harsh formulas like glycolic acid toners, which can cause redness and irritation, especially for sensitive skin. The popularity of milky toners in South Korea, emphasizing hydration and skin barrier protection, has influenced Western brands to develop milder, more soothing formulations. Recent product launches in 2026 reflect this trend, with a focus on polyhydroxy acids (PHAs) which are known for their gentler action compared to alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs). Experts and brands are now promoting these milky acids as safer alternatives for regular exfoliation, even for those with sensitive or reactive skin types.

“A liquid containing the right blend of dead-skin-sloughing acids can be infinitely more gentle and effective than traditional scrubs.”

— Skincare expert from Guardian Life

“Our Multi Bright Milky Toner combines gentle polyhydroxy acids with moisturizing ingredients to brighten and smooth skin without irritation.”

— Naturium product developer

“Tiptoe In offers a gentle, plumping exfoliation that’s suitable even for sensitive skin, thanks to its use of gluconolactone and lactobionic acid.”

— Trinny London spokesperson

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What Remains Unclear

It is not yet clear how widespread consumer adoption will be or whether long-term use of milky acids will outperform traditional acids in terms of skin health and results. Further research and consumer feedback are needed to confirm these benefits over time.

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What’s Next

Expect more brands to develop and launch milky acid exfoliants, with ongoing studies and consumer reviews shaping their positioning. Dermatologists may also begin recommending these formulations more frequently, and further comparative studies could clarify their long-term safety and efficacy.

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Key Questions

Are acid exfoliants safe for sensitive skin?

Yes, when formulated with gentle acids like polyhydroxy acids (PHAs), milky exfoliants are generally safe for sensitive skin and can reduce irritation compared to traditional acids.

Can I replace physical scrubs with milky acids?

Many skincare experts now consider milky acids a safer, more effective alternative to physical scrubs, especially for those with sensitive or reactive skin.

How often should I use milky acid exfoliants?

Typically, 2-4 times a week is recommended, but users should adjust based on their skin’s response and consult product instructions or a dermatologist.

Will these acids cause redness or tingling?

Milky acids are designed to be gentle; however, some initial tingling or redness may occur, especially for sensitive skin. Discontinue use if irritation persists.

Are milky acid exfoliants suitable for all skin types?

Yes, formulations containing PHAs are suitable for dry, oily, sensitive, and combination skin types, offering a versatile option for many consumers.

Source: Guardian Life