It is a water-based additive for interior use developed with the innovative technological power of silver ions. When added to certain VALPAINT decorative products, it gives the surface a comprehensive and lasting protection against the aggression of bacteria, yeasts, moulds and algae. The paint admixed with ADDITIVO SANIFICANTE VH 2020 additive can reduce the bacterial load of Escherichia coli or Staphylococcus aureus by 99%. The efficacy of this treatment is tested in accordance with the ISO 22196 standard.