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Cosmetic ingredient dictionary

Sericin in cosmetics: what it is and what it does

Sericin is a cosmetic ingredient that keeps the skin in good condition. It is not vegan: it comes from silkworms. Open Beauty Facts finds it in 8 products, most often soaps.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

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What does Sericin do in a product?

In a cosmetic product, Sericin keeps the skin in good condition, makes hair easier to comb, softer or shinier and reduces static, so hair stays flat. The EU’s CosIng database lists these jobs for it: skin conditioning, hair conditioning, antistatic and smoothing.

skin conditioninghair conditioningantistaticsmoothing

What is Sericin?

Sericin is a protein isolated from the silk produced by the silkworm, Bombyx mori.

CAS number
60650-88-6, 60650-89-7
CosIng reference
78717

Is Sericin vegan?

No. Sericin comes from silkworms. It is not vegetarian either.

VeganNot for youIt comes from silkworms.
VegetarianNot for youIt comes from silkworms.

Which products contain Sericin?

Open Beauty Facts finds Sericin in the ingredient lists of 8 of the 22,021 products it has a list for, most often soaps and hair treatments.

  • Soaps2
  • Hair treatments1

Products with it, by country of sale: Germany 1 · Thailand 1 · South Africa 1 · Argentina 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Sericin turns up, not how much of the market it is.

On these listsFrom animals and insects

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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