Kallos KJMN Moisturizing hair mask with seaweed extract and olive oil. The active ingredient in algae penetrates the inside of the hair, moisturizes, nourishes, and rebuilds damaged, lifeless hair. Frequently used, this Kallos hair mask, thanks to the olive oil, the hair becomes silky, shiny. How to apply: Step 1. Apply the mask evenly to wet, towel-dried hair, from the middle down to the tips. Step 2. Leave on for a bit, then rinse off thoroughly.