Frequently asked questions
How should I apply La Roche-Posay Hyalu B5 serum?
Apply the serum to damp skin to help maximize absorption, then follow with a moisturizer to help lock in hydration.
What is the key skincare ingredient in this serum?
The serum features pure hyaluronic acid, a well-known ingredient used to attract and hold moisture in the skin.
Why is hyaluronic acid used in anti-aging skincare?
Hyaluronic acid can hold up to 1000 times its weight in water, helping skin appear more hydrated, plump, and supple.
Can I use this serum with a face mist?
Yes. The product guidance recommends misting skin with thermal spring water before use to support hydration.
Where does this fit in a skincare routine?
Use it as a treatment serum after cleansing and before moisturizer, especially when focusing on hydration and a smoother-looking complexion.
