An oral care active ingredient, recommended for gel, paste and liquid type toothpaste, mouth wash and spray type oral care applications. It is proven to inhibit biofilm formation (dental plaque) which causes oral infections such as dental caries and periodontal diseases. MILLTECT prevents the occurrence of halitosis and pigmentation on the tooth surface by inhibiting the adhesion of bacteria and shows the stronger inhibition of bacterial adsorption with the combination of antimicrobial agents (CPC, IPMP, etc). It is derived from Codium fragile.