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When in doubt about how to use a product, what is the best reference?

  1. Manufacturer's instructions

  2. Online tutorials

  3. Social media reviews

  4. Colleague opinions

The correct answer is: Manufacturer's instructions

The best reference for product usage when in doubt is the manufacturer's instructions. These instructions are specifically created by the manufacturer to provide detailed guidance on the proper use of their products, including safe application techniques, recommended amounts, and any necessary precautions. They also address specific concerns related to the formulation of the product, ensuring that the user has a clear understanding of its intended use. While online tutorials can be helpful and social media reviews offer insights from other users, they may not always provide accurate or comprehensive information. Tutorials can vary in quality, and reviews can be subjective and influenced by personal experiences that may not apply universally. Similarly, while colleagues might provide valuable input, their knowledge and experiences may not reflect the particular nuances of the specific product in question. Therefore, referencing the manufacturer's instructions is the most reliable way to ensure that the product is used safely and effectively.