Qinci

Hydrating · Serum

Fucoidan

Also listed as: brown algae extract, laminaria extract, fucus vesiculosus extract

Sulfated brown-seaweed polysaccharide; humectant with an anti-glycation claim.

Humectants such as hyaluronic acid and glycerin draw water into the skin, so it looks plump instead of dry and papery.

  • Targets: dryness, fine lines

Pairs well with

More hydrating actives

Other serum ingredients

Paste a full ingredient list into the conflict checker to see every clash at once, or build a full routine with the routine planner.

Guidance based on ingredient data, not medical advice.