Selecting the right soap for acne-prone skin, including neck acne, is crucial in maintaining a clear complexion. Consider opting for a soap that contains ingredients known for their acne-fighting properties. Tea tree oil, salicylic acid, and benzoyl peroxide are commonly recommended for their effectiveness. Brands like Neutrogena, Cetaphil, and Dove offer specific products designed for acne-prone skin, including solutions for neck acne. However, individual skin types vary, so it's advisable to consult with a dermatologist to find the most suitable option for your unique skin needs. Additionally, a consistent skincare routine and avoiding harsh chemicals can contribute to overall skin health.