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Silk
AKA “Silk Powder”
Ingredient
Ingredient Facts
Silk
AKA: Silk Powder
Ingredient · Bulking · EWG: 1
Synthetic
Clean
Serica (EU)
CAS #
9009-99-8
Form
Powder
See origin →
Functions
Bulking
Adds Body & Volume
Conditions Skin
Wound Healing
Anti-Aging Benefits
Antioxidant Protection
Adds volume
Traditional Use
Used in traditional Chinese medicine and skincare for over 2,000 years; silk fibroin was valued for its moisturizing and skin-smoothing properties in Imperial beauty treatments and continues as a luxury skincare ingredient.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Inhibitory effect of corn silk on skin pigmentation.
Choi SY, Lee Y, Kim SS, Ju HM, Baek JH et al.
Molecules (Basel, Switzerland), 2014
→
Safety Assessment of Silk Protein Ingredients as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Capryloyl Silk Amino Acids
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrolyzed Silk
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Lauroyl Silk Amino Acids
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
MEA-Hydrolyzed Silk
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Palmitoyl Silk Amino Acids
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Potassium Lauroyl Silk Amino Acids
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Silk
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Silk Amino Acids
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Silk Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Silk Powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Silkworm Cocoon Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Lauroyl Silk Amino Acids
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrolyzed Silk
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Lauroyl Silk Amino Acids
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Potassium Lauroyl Silk Amino Acids
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Silk
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Silk Amino Acids
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Silk Powder
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sodium Lauroyl Silk Amino Acids
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Safety Assessment of Silk Protein Ingredients as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2020
→
Safety Assessment of Silk Protein Ingredients as Used in Cosmetics.
Johnson W Jr, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2020
→
Potential Photoprotective Effect of Dietary Corn Silk Extract on Ultraviolet B-Induced Skin Damage.
Kim YH, Cho A, Kwon SA, Kim M, Song M et al.
Molecules (Basel, Switzerland), 2019
→
[Metabolism of 14C-soluble proteins from silkworm tissues during silk formation].
Klunova SM, Altsybeeva TI, Filippovich IuB
Biokhimiia (Moscow, Russia), 1980
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Silkworm Sericin: Properties and Biomedical Applications.
Kunz RI, Brancalhão RM, Ribeiro LF, Natali MR
BioMed research international, 2016
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Optimizing interactions between soluble silk fibroin and capryl glucoside for design of a natural and high-performance co-surfactant system.
Maxwell R, Costache MC, Giarrosso A, Bosques C, Amin S
International journal of cosmetic science, 2021
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Silk Fibroin Biomaterials and Their Beneficial Role in Sk...
Łukasz Mazurek, Mateusz Szudzik, Mateusz Rybka, Marek Konop
Biomolecules, 2022
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Silk Fibroin Biomaterials and Their Beneficial Role in Skin Wound Healing.
Mazurek Ł, Szudzik M, Rybka M, Konop M
Biomolecules, 2022
→
Silk Fibroin Biomaterials and Their Beneficial Role in Skin Wound Healing.
Mazurek Ł, Szudzik M, Rybka M, Konop M
Biomolecules, 2022
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Silk Sericin and Its Effect on Skin Wound Healing: A State of the Art.
Mazurek Ł, Rybka M, Jurak J, Frankowski J, Konop M
Macromolecular bioscience, 2024
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Allantoin-functionalized silk fibroin/sodium alginate tra...
Haojiang Xie, Qiao Bai, Fankai Kong, Yang Li, Xiaoying Zha, Lingqin Zhang + 4 more
International journal of biological macromolecules, 2022
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[Heterologous expression of bacterial tyrosinase and its applications in biological hair dyeing and DOPA modification of hydrolyzed silk fibroin].
Zheng Y, Xu R, Wang Y, Fang C, DU G et al.
Sheng wu gong cheng xue bao = Chinese journal of biotechnology, 2024
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Verified Jun 2026
Data: CosIng · EWG · CIR