The Detangling Comb by united & free has proven to be a reliable and durable tool, according to Beth's video review. She praises its effectiveness in distributing conditioner through her hair, highlighting its sturdy construction that withstands accidental drops in the shower without any signs of damage. The comb's teeth have also held up well over time. Overall, Beth's experience with the Detangling Comb has been positive, emphasizing its functionality and durability. However, it would be beneficial to include more specific details about the comb's performance and potential drawbacks to provide a more comprehensive review.