The Wella Straight Permanent Hair Straightening kit is specifically designed for normal hair, using keratin as its main ingredient. This unisex product from Wella Professionals offers a smoothing and straightening effect, with the active ingredient being Ammonium Thioglycolate. The cream formulation comes in a 100ml volume, making it suitable for at-home use. With all-natural ingredients, this straightening kit provides a sleek and professional finish to your hair, perfect for achieving a smooth and straight look with long-lasting results.