Exfoliating · Hydrating
PHA (gluconolactone)
The gentlest exfoliant
A very large-molecule acid that exfoliates the surface and holds water, the ideal gateway into acids for reactive skin.
What this active targets
Best for
Dry Combination Normal Oily
Best climate
Dry air, winter, indoor heatingHumid heat, summer
How to use it
At night, 2–3 times a week; far better tolerated than classic AHAs.
Cautions
- Don't stack on the same night with: retinoids, exfoliating acids (AHA/BHA).
Is this active right for YOUR skin?
The diagnostic crosses your skin, your city and the season.
Frequently asked questions
- What does PHA (gluconolactone) do?
- A very large-molecule acid that exfoliates the surface and holds water, the ideal gateway into acids for reactive skin.
- What does PHA (gluconolactone) help with?
- Mainly: Pores, Radiance, Barrier. Best for dry, combination, normal, oily skin.
- When and how to use PHA (gluconolactone)?
- At night, 2–3 times a week; far better tolerated than classic AHAs.
- Can I combine PHA (gluconolactone) with other actives?
- Avoid stacking it on the same night with: retinoids, exfoliating acids (AHA/BHA). Introduce one active at a time.