T3 is a brand that produces hair styling tools and appliances, such as hair dryers, curling irons, and straighteners. The brand was founded by Kent Yu, who started designing a hair dryer that evenly distributes heat and minimizes damage to the hair. The T3 brand then expanded to include other styling tools that use advanced technology to create desirable hairstyles while minimizing heat damage. The brand is well known for their innovative designs and high performance in the hair styling industry.