Method -1 what you need: ½ teaspoon spirulina powder ; 1 mashed ripe banana; and 1 teaspoon fresh lemon juice. How it works: spirulina has antibacterial properties helping to keep your pores clear and tight. Plus it is loaded with more antioxidants than blueberries which means that it may be effective at lessening the effects of sun damage and reducing the appearance of fine lines and wrinkles says fusco. The banana infuses moisture into the skin while making the powder spreadable and the lemon juice brightens. Do it yourself: with a whisk mix the spirulina powder and banana then add the lemon juice. Apply to the face and leave on for 10 to 20 minutes. Rinse with warm water. Didiâs take: âdo not try this one in front of the kids! Spirulina is green very green. You will look like the hulk. That said I loved this mask. It smelled like banana and left my skin bright and so hydrated that it was actually springy to the touch.â method -2 what you need: ½ teaspoon spirulina powder; 1 teaspoon mix powder or pure milk rose water or apple vinigar do it yourself: with a milk or milk powder mix the spirulina powder then mix like paste. Apply to the face and leave on for 10 to 20 minutes. Rinse with rose water and remove with wet clath.