Which type of pin curls produce tight, firm, long-lasting curls with minimum mobility?

No-stem pin curls are designed to create tight, firm, and long-lasting curls with very limited mobility. This type of pin curl is set directly on the base without any stem, which means that the hair is anchored closely to the scalp. This tight placement results in a more rigid curl that maintains its shape for an extended period, making it ideal for styles that require strong hold.

In contrast, loose pin curls provide a more relaxed wave and greater movement, as they do not anchor the hair tightly to the scalp. Half-stem pin curls, while firmer than loose pin curls, still allow for some degree of mobility due to their positioning. Soft pin curls produce a gentle wave rather than the tight spiral of a no-stem curl. Thus, when seeking longevity and a structured curl with minimal movement, no-stem pin curls are the most effective choice.