Barber Practice State Board Practice Exam

Which of the following is NOT a characteristic of ammonia-free waves?

1. Rapid Evaporation

2. Long-lasting results

3. Minimal damage to hair

4. Sulfates as ingredients

The correct answer is: Rapid Evaporation

Ammonia-free waves are designed to produce curls or waves in the hair without the harsh effects associated with ammonia. One of the characteristics that distinguishes these products is their formulation, which often includes ingredients like sulfates that help to soften and condition the hair during the perming process. Rapid evaporation is typically associated with ammonia and other strong chemicals that tend to dry out quickly when exposed to air, resulting in a fast processing time. However, ammonia-free products usually have a more controlled evaporation rate, providing the hair with sufficient time to properly absorb the curling solution without leading to excess drying. The absence of ammonia does contribute to minimal damage to the hair, making it a gentler option for clients who may have previously experienced issues with traditional perm solutions. Long-lasting results are achievable with ammonia-free waves, as many of these products are formulated to hold curls without the intense harshness of traditional waves. Therefore, the characteristic that does not align with ammonia-free waves is rapid evaporation, as these products are designed for a more gradual process, allowing for better hair health and curl retention.