New York State Barber Practice Exam 2025 - Free Barber Licensing Practice Questions and Study Guide

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What is the typical shelf life of opened hair color products?

6 months

1-2 years

Opened hair color products typically have a shelf life of 1-2 years. This timeframe allows for the preservation of the chemicals and colors that make hair dye effective while ensuring safety and performance. Over time, exposure to air can cause the active ingredients in hair color to degrade, potentially leading to less effective results or undesirable outcomes when applied.

While some products may claim a longer shelf life, it's important to remember that factors such as storage conditions (light, temperature, moisture) can impact the longevity and effectiveness of these products. Therefore, adhering to a 1-2 year timeline ensures that the products remain potent and safe to use for clients, aligning with best practices in the hair care industry.

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3-4 years

Indefinite

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