Last reviewed May 2026 · 1 min read
Is Silk Amino Acids vegan?
Also known as: Hydrolyzed silk, Silk peptides, Sericin
Not Vegan
Derived from animals — avoid.
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No — To extract these proteins, the silk cocoons are boiled, a process that kills the silkworm pupae inside.
01 · The basics
What is Silk Amino Acids?
Protein particles extracted from raw silk, highly prized in high-end cosmetics and hair care for their moisture-retaining properties.
02 · The source
Where it comes from
To extract these proteins, the silk cocoons are boiled, a process that kills the silkworm pupae inside. Therefore, it is not vegan or cruelty-free.
03 · Alternatives
Best vegan alternatives
Plant keratin
Check Price on AmazonSoy protein
Check Price on AmazonHydrolyzed wheat protein
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Frequently asked
FAQ
Is silk cruelty-free?
Conventional silk is not cruelty-free because the silkworms are boiled alive to preserve the thread. 'Peace silk' exists, but is rarely used for amino acid extraction.
Are there vegan alternatives to silk protein?
Yes, many brands now use hydrolyzed plant proteins (from soy, wheat, or baobab) which offer similar hair-smoothing benefits.
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