*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>L-Cystine is a non-essential <strong>dimeric amino acid</strong> formed by the oxidation of two L-cysteine molecules. Produced via enzymatic hydrolysis or fermentation, its standard specification features molecular formula C6H12N2O4S2 and CAS No. 56-89-3.</p>
<h3>Application</h3>
<ul>
<li><strong>Nutraceuticals:</strong> Dietary supplement for antioxidant support and hair health.</li>
<li><strong>Pharmaceuticals:</strong> Mucolytic agent in expectorant formulations to break disulfide bonds.</li>
<li><strong>Cosmetics:</strong> Ingredient in anti-aging serums to boost collagen synthesis.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from light to prevent oxidation. Clinical use requires monitoring for hypersensitivity; avoid high doses in patients with kidney dysfunction due to sulfur metabolism risks.</p>