Ingredient

PHA (lactobionic)

On labels: Lactobionic Acid

Gentle exfoliating acid with strong hydrating properties.

What it does

Exfoliates · Hydrates · Antioxidant

Evidence

Evidence: Limited · Mostly lab or early data so far.

Often chosen for

Rough texture, Dry, tight-feeling skin

Skin types

Dry, Normal, Sensitive

Typical amount

1-8% in a formula

Best time

Morning or evening