Specialized Blood Stain Remover for White Painted Walls

The user is concerned about blood stains on white walls and fears their father repainting the entire room. Their initial thought was toothpaste, and they want a 'cleaner solution' that won't damage the paint. While hydrogen peroxide is suggested, a dedicated, gentle, and effective blood stain remover specifically formulated for painted interior surfaces would cater to this niche need, reassuring users it won't strip paint or leave residue.