La Roche-Posay Hyalu B5 serum
No. No, La Roche-Posay Hyalu B5 serum is not silicone-free.
It lists Dimethicone PEG-6 Caprylic/Capric Glycerides.
- Dimethicone PEG-6 Caprylic/Capric Glycerides
Why
Silicones give slip and a smooth finish. On a label they end in methicone, siloxane or silanol: Dimethicone, Cyclopentasiloxane, Amodimethicone.
No, La Roche-Posay Hyalu B5 serum is not silicone-free. It lists Dimethicone PEG-6 Caprylic/Capric Glycerides.
This is not a safety warning. It is a label fact, useful if you avoid this group on purpose.
Full ingredient list
609905 19 - Ingredients : Aqua / Water, Glycerin, Alcohol Denat, Propylene Glycol, Panthenol Pentylene Glycol, Dimethicone PEG-6 Caprylic/Capric Glycerides, PPG-6-DECYLTETRADECETH-30, Glyceryl Isostearate, Madecassoside, Sodium Hyaluronate, Ammonium Polyacryloyldimethyl Taurate, Disodium EDTA, Hydrolyzed Hyaluronic Acid Caprylyl Glycol Citricacid, Xanthan Gum, Butylene Glycol Tocopherol, Phenoxyethanol, Parfum / Fragrance. (.
Highlighted names triggered a “No” on one of the six checks. Underlined names open the ingredient dictionary. Source list as recorded on Open Beauty Facts.
Silicone-free serums instead
Data: Open Beauty Facts, community database, ODbL license. Last checked 26 Aug 2026. Barcode 3337875583657.