Utilize the input text as a context reference, choose the right relationship between Wella and hair care from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

“We suspect the performance in this category could prove lumpy, given the fierce competitive dynamics of the U.S. hair care space, and it will take a few more quarters until we can get a sense whether this improvement is sustainable.” The other brands included in P&G’s deal with Coty are Sebastian Professional, Clairol Professional, Sassoon Professional, Nioxin, SP (System Professional), Koleston, Soft Color, Color Charm, Wellaton, Natural Instincts, Nice & Easy, VS Salonist, VS ProSeries Color, Londa/Kadus, Miss Clairol, L’image, Bellady, Blondor, Welloxon, Shockwaves, New Wave, Design, Silvikrin, Wellaflex, Forte, Wella Styling, Wella Trend, Balsam Color, Hugo Boss, Dolce & Gabbana, Gucci, Lacoste, Bruno Banani, Christina Aguilera, Escada, Gabriela Sabatini, James Bond 007, Mexx, Stella McCartney and Alexander McQueen.

Answer: product_or_material_produced