What is a crucial step when mixing chemical solutions?

Following proper dilution ratios is essential when mixing chemical solutions because it ensures the safety and efficacy of the product being created. Chemical solutions often contain active ingredients that can be hazardous if not mixed in the correct proportions. Using the right dilution ratios helps to minimize the risk of chemical burns, skin irritation, or other adverse reactions. Additionally, adhering to these ratios guarantees that the solution performs as intended, whether it's for a chemical treatment in a salon or another specific cosmetic application.

Proper container usage is also important, but it is not as critical as adhering to the dilution ratios. Mixing with bare hands can lead to contamination and chemical burns, and applying a mixture without timing can result in ineffective results or further complications. Thus, maintaining the right dilution ratios is the most fundamental and responsible practice when preparing any chemical solution in the field of cosmetology.