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What is Mandelic Acid?

Mandelic acid is an alpha hydroxy acid (AHA) that comes from bitter almonds. It belongs to the same exfoliating acid family as glycolic acid, but its larger molecule size means it works more slowly and gently on skin. This makes it a popular choice for people who find other exfoliating acids too harsh. Mandelic acid is included in INTOIT's Maximalist Moisturizer, where it works alongside glycolic acid to support smoother, more even-looking skin.

Source

Found in

Alpha hydroxy acid derived from bitter almonds

Origin

Naturally sourced from almonds; also produced synthetically for cosmetic use

Also known as

Amygdalic acid


Top features and benefits

Gently exfoliates dead skin cells

Suitable for sensitive and acne-prone skin

Helps smooth rough texture

Has natural antibacterial properties

Helps fade the look of post-acne dark marks

Lower irritation risk than smaller-molecule AHAs

Suitable for regular, ongoing use

Works well alongside other actives



How Does It Work?

Mandelic acid works by loosening the bonds that hold dead skin cells together on the surface of skin, which helps them shed more easily and reveals smoother skin underneath. What sets it apart from other AHAs like glycolic acid is its larger molecule size, roughly double that of glycolic acid, which means it penetrates skin more slowly and evenly. This slower absorption is what makes it feel gentler and less likely to cause the redness or stinging that faster-penetrating acids can cause.

Mandelic acid also has natural antibacterial properties, which is part of why it is often recommended for acne-prone skin alongside its exfoliating benefits. Because of this gentler profile, it is commonly recommended as a starting point for people who are new to chemical exfoliation.

 

Frequently Asked Questions