Cucumber juice cannot be used as a toner, but you can add mineral water to the cucumber juice to make a toner. The method is as follows↓

How to make cucumber toner: Wash the cucumber, remove the head and tail. Place in a juicer to extract the juice. Filter out the residue with a sterile filter cloth, pour the cucumber and mineral water (cool after boiling) into a bottle, shake well, and store in the refrigerator. Cucumber can restore elasticity and vitality to the skin. Especially after sunburn in summer, if you use cucumber moisturizing toner for two weeks, you can obviously feel that the dullness, sun spots, and freckles after sunburn have been improved.