The design aims to offer solutions on essential topics, including environmental footprint. The brand's name is formed by combining green and clean. The combination of leaf and lip figures in the logo on the package represents nature's smile. The white background and soft colors illustrate the product extracts. The packaging is obtained from renewable resources to prevent plastic waste. In addition, 75 percent of the bottles are made from recycled materials, and they are 100 percent recyclable.

Musa Celik graduated from fine arts department in university and then he decided to focus on designing. After working in some companies he founded his design agency Tasarist in 2011. He specialized on packaging design and worked with many local and global brands. He is a well known designer in his country and he has lots of national and international awards. He designed a lot of home care product package for well known brands in Turkey.

Gleen aims to differentiate with bio-based production. The product range includes liquid laundry detergent, fabric softener, dishwashing liquid, and daily cleaning spray. The brand offers these hypoallergenic products with natural plant-based content and recyclable packages.