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Malic Acid

ExfoliantpH AdjusterNatural

Also known as: Hydroxybutanedioic Acid, Apple Acid

Best for:NormalOilyCombination

An alpha hydroxy acid naturally found in apples. Provides moderate exfoliation and also functions as a pH adjuster.

Routine placement

Treatment · PM

Time to results

2-4 weeks for smoother texture; 6-8 weeks for even tone

Benefits

Moderate exfoliation, brightening, pH adjustment, improves skin texture, stimulates cell renewal.

How to Use

Apply in exfoliating treatments. Often combined with other AHAs. Start with lower concentrations.

Technical Details
pH Range2.5-4.0
Typical Concentrations1%-5%
Research Summary

Effective AHA with larger molecular size than glycolic acid, resulting in gentler penetration. Often used in combination acid peels.

What to Avoid With
  • very sensitive skin

Cautions

Can cause irritation and sun sensitivity like other AHAs. Milder than glycolic acid.

Frequently Asked Questions

What does Malic Acid do for skin?

Malic Acid is used in skincare primarily as a exfoliant ingredient. Its effects depend on concentration and formulation. Check the benefits section above for specific details.

Is Malic Acid safe for sensitive skin?

Malic Acid is generally well-tolerated, but sensitivity varies by individual. Start with a patch test if you have reactive skin, and introduce gradually into your routine.

Can I use Malic Acid every day?

For most skin types, daily use is appropriate at standard concentrations. If you experience any irritation, reduce frequency to every other day.

Can I use Malic Acid with retinol?

Use caution when combining exfoliating or active ingredients. Alternate days or use at different times of day to avoid over-irritation.

Does your skincare contain Malic Acid?

Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.

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