The Intervall company specializes in the production of high-quality biodegradable detergents for the gentle care of various materials. Teneplus is an ideal fiber and color-preserving care for microfibers, swimsuits, and sportswear; it removes residues from cosmetics, perspiration, chlorine, and sunscreen. By dispensing with salts, fillers, and brighteners in the special detergent Teneplus, the microfine pores remain open even after washing and are not clogged by sweat and salt residues. Also for the care of polyamides, Meryl, Tactel and the like.