What is cystine primarily associated with in terms of its function in hair and nails?

Prepare for the Hawaii Nail Technology State Board Exam. Review flashcards and multiple-choice questions with detailed explanations. Ensure your success!

Cystine plays a crucial role in the structure of hair and nails because it is an amino acid that forms disulfide bonds, which are vital for the strength and stability of keratin, the primary protein in these tissues. These disulfide bonds contribute to the rigidity and resilience of hair and nails, allowing them to maintain their shape and resist damage.

While cystine is related to proteins and their functions in hair and nails, the emphasis on its role as an amino acid that forms essential links through disulfide bonds highlights its importance in the structural integrity of keratin. This understanding is key in the field of nail technology, as practitioners need to be aware of how different biological components contribute to the overall health and appearance of hair and nails.

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