Peter Thomas Roth is a skincare and haircare brand that was founded by a Hungarian-born skincare expert in 1993. The brand offers a range of high-quality haircare products that are designed to nourish, protect, and repair hair using natural ingredients. Peter Thomas Roth haircare products are formulated with a blend of natural ingredients such as biotin, keratin, and vitamins, which help to strengthen and repair hair. The brand's products are also free from harsh chemicals such as sulfates and parabens.