Alpha hydroxy acids (AHA)
Mandelic acid
INCI: Mandelic Acid · AHA
No responsible goal-specific assessment is available yet.
What it is best suited for
What it is and what we know
A larger-molecule AHA often chosen when a slower, potentially gentler exfoliation profile is preferred.
Its usefulness depends on the goal, vehicle, concentration context, frequency, and the rest of the routine.
Who may find it irritating
Irritation potential: Moderate. Formula, frequency, and barrier condition change tolerability.
No special restriction is modeled here, but individual products and circumstances still matter. The ingredient may increase irritation or sun vulnerability in context. Daily broad-spectrum protection remains important.
How a beginner can introduce it
Introduce consistently in a simple routine and adjust to tolerance.
Useful concentration depends on the ingredient form and complete formula. Ingredient order alone cannot establish a studied concentration.
What not to expect
No single ingredient guarantees a result or compensates for an irritating, inconsistent routine.
What may duplicate it
Alpha hydroxy acids (AHA) is its functional family. Several products from this family can repeat the same role, especially when they are irritation-prone.
Same family: Glycolic acid · Lactic acid.
Verified products containing it
No verified product yet
TIER does not recommend a formula without an official source. Compare the next-ranked ingredient while the verified catalogue grows.
Evidence and uncertainty
Editorial preview. Complete source lists and clinical review are not yet published. TIER therefore avoids “best” claims and does not show a public numeric score.