Given its hydrating properties, polyglutamic acid can be applied twice a day. If you're using polyglutamic acid in serum form, to make the most of its powers ...

As long as the product you're using doesn't contain other active ingredients already (check the label!), polyglutamic acid can be added into any skincare ...

Polyglutamic acid is best used around the moisturising stage of your routine, says Dr Simon Zokaie, dermatologist and skin expert at private clinic bookings ...