Hydroxyacetic Acid Glycolic Acid 79-14-1 70% 99% 99.5% Brief introduction to use purposes: It may be used as cosmetics raw material and organic synthesis raw material, to manufacture fiber dyeing agent, leather dyeing agent, tanning agent, purifying agent, ingredient of welding agent, boiler cleaning agent and varnish ingredient, copper etching agent, cohesive agent, electroplating agent, ...