Which condition would benefit most from a hot oil treatment?

A hot oil treatment is particularly beneficial for dry or damaged hair and the scalp, making it an excellent choice for conditions like a dry scalp. The warm oil helps to moisturize, nourish, and protect the hair and scalp, improving their overall condition. When applied to a dry scalp, the treatment can alleviate flakiness and irritation by providing essential hydration.

While rough cuticles, hang nails, and split ends can also benefit from various treatments, they do not specifically respond to hot oil treatments in the same way that a dry scalp does. For example, rough cuticles may require specific moisturizing products or cuticle oils, and split ends often need trimming and conditioning treatments rather than oil soaks. Hang nails, which are small tears in the skin around the nails, can benefit from moisturization and proper nail care, but again, hot oil may not be the most targeted solution. Therefore, the condition that stands to gain the most from a hot oil treatment is indeed a dry scalp, as it addresses the hydration needs effectively.