CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY CORDELIA MOLLOY / SCIENCE PHOTO LIBRARY
Washing products. Assorted washing products including biological powder (left), non-biological powder (centre), a bottle of washing liquid (right) and packets of washing liquid (lower frame). Biological powders use enzymes to break up dirt. Non-biological powders do not use these, as they may cause allergic reactions in susceptible people.
Model release not required. Property release not required.