Henkel agreed to buy laundry-detergent maker Sun Products Corp. for $3.6 billion as Chief Executive Officer Hans Van Bylen marked his first weeks at the helm with the German company’s biggest U.S.

Think back to when you were taught to do laundry: You probably learned a set of hard-and-fast rules — separate your wash by color; hot water for whites and cold water for darks — that you’ve followed ...

We pitted more than 35 detergents against a slew of stains and odors (on all kinds of laundry, from stained T-shirts to smelly socks). Tide Ultra Oxi Powder Laundry Detergent and Tide Free & Gentle ...