Silk Therapy Plus Keratin
4 PROHIBITED
BIOSILK

Silk Therapy Plus Keratin

Uncategorized
Contains Prohibited Substances
❌ 2 prohibited🔶 13 restricted
View details
❌ Prohibited (Annex II) — 1
  • 2-(4-tert-butylbenzyl) propionaldehyde
Updated: 4/3/2026, 12:57:40 PM
Ingredient composition · 74 total
Safe (2)Restricted (4)Prohibited (4)Unknown (64)

Composition

24% natural26% synthetic
🌿 18 natural❓ 37 unknown origin🧪 19 synthetic

Based on 74 ingredients analyzed. 24% natural, 50% unknown origin and 26% synthetic.

Ingredients data:64 / 74explained
4 prohibited (EU Annex II)
4 restricted (EU Annex III)
8 need review

Ingredient Analysis

🌟
Goodies
Proven actives & beneficial ingredients
Glycerin
Glycerin
🧪
Base Formula
Main ingredients by concentration
Glycerin#4

Ingredients List

Showing 5 of 74 ingredients

Ingredients Explained

74 / 74
Safe — well-studied, low concernNeutral / Unknown — limited dataConcern — high comedogenic/irritancy
⚠️14 of 74 ingredients missing description or function
Aqua/​Water/​Eau#1
Aqua/​Water/​Eau is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Sodium C14-16 Olefin Sulfonate#2
CLEANSING, FOAMING, SURFACTANT - CLEANSING
Sulfonic acids, C14-16-alkane hydroxy and C14-16-alkene, sodium salts
Comedogenic: 0/5 Irritancy: 0/5
Cocamidopropyl Betaine#3
mixture
mixture of chemical compounds
Comedogenic: 0/5 Irritancy: 1/5
Glycerin#4
Humectant
A powerful humectant that attracts moisture to the skin, keeping it hydrated and soft.
Comedogenic: 0/5 Irritancy: 0/5
Acrylates Copolymer#5
ANTISTATIC, BINDING, FILM FORMING
2-propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate
Comedogenic: 0/5 Irritancy: 0/5
PEG-150 Pentaerythrityl Tetrastearate#6
SURFACTANT - EMULSIFYING
2,2-Bis(hydroxymethyl)-1,3-propanediol, ethoxylated, tetraoctadecanoates (150 mol EO average molar ratio)
Comedogenic: 0/5 Irritancy: 0/5
Disodium Laureth Sulfosuccinate#7
Poly(Oxy-1,2-Ethanediyl), .alpha.-(3-Carboxy-1-Oxo-3-Sulfopropyl)-.omega.-(Dodecyloxy)-, Disodium Salt
Comedogenic: 0/5 Irritancy: 0/5
No function
Caprylyl Glycol#8
DEODORANT, HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
Octane-1,2-diol
Comedogenic: 0/5 Irritancy: 0/5
Hydrolyzed Keratin#9
ANTISTATIC, FILM FORMING, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING
Keratins, hydrolyzates. A biological material consisting predominantly of partially hydrolyzed keratin
Comedogenic: 0/5 Irritancy: 0/5
Hydrolyzed Silk#10
ANTISTATIC, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING
Protein hydrolyzates, silk
Comedogenic: 0/5 Irritancy: 0/5
Hydrolyzed Ceratonia Siliqua Seed Extract#11
SKIN CONDITIONING
Hydrolyzed Ceratonia Siliqua Seed Extract is used in this formula as SKIN CONDITIONING.
Comedogenic: 0/5 Irritancy: 0/5
No description
Argania Spinosa Kernel Oil#12
SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
Argania Spinosa Kernel Oil is the fixed oil expressed from the kernels, Argania Spinosa (L.), Sapotaceae
Comedogenic: 0/5 Irritancy: 0/5
Phenoxyethanol#13
Preservative
A common preservative that is generally well-tolerated by most skin types.
Comedogenic: 0/5 Irritancy: 1/5
PEG-6 Caprylic/​Capric Glycerides#14
PEG-6 Caprylic/​Capric Glycerides is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Polyquaternium-10#15
Cellulose, 2-(2-hydroxy-3-(trimethylammonium)propoxy)ethyl ether, chloride;
Comedogenic: 0/5 Irritancy: 0/5
No function
Glycol Distearate#16
OPACIFYING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING, VISCOSITY CONTROLLING
Ethylene distearate
Comedogenic: 0/5 Irritancy: 0/5
Disodium EDTA#17
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Linoleamidopropyl Pg-Dimonium Chloride Phosphate#18
ANTISTATIC
1-Propanaminium, 2,3-dihydroxy-N,N-dimethyl-N-[3-(1-oxo-9,12-octadecadienylamino)propyl]-, 3-phosphate triester, trichloride
Comedogenic: 0/5 Irritancy: 0/5
PEG-8 Methyl Ether Dimethicone#19
CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING
Silicones and siloxanes, dimethyl, 3-(methylpoly(oxy-1,2-ethanediyl))propyl methyl, trimethylsilyl terminated, (8 mol EO average molar ratio)
Comedogenic: 0/5 Irritancy: 0/5
Potassium Sorbate#20
type of chemical entity
chemical compound
Comedogenic: 2/5 Irritancy: 2/5
Hexyl Cinnamal#21
PERFUMING
2-Phenylmethyleneoctanal; alpha-Hexylcinnamaldehyde; 2-Benzylideneoctanal; alpha-n-hexyl-beta-phenylacrolein
Comedogenic: 0/5 Irritancy: 0/5
Hexylene Glycol#22
PERFUMING, SKIN CONDITIONING, SOLVENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
2-Methylpentane-2,4-diol
Comedogenic: 0/5 Irritancy: 0/5
Simmondsia Chinensis (Jojoba) Seed Oil#23
Simmondsia Chinensis (Jojoba) Seed Oil is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Steareth-4#24
SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
Poly(oxy-1,2-ethanediyl), .alpha.-octadecyl-.omega.-hydroxy
Comedogenic: 0/5 Irritancy: 0/5
Citric Acid#25
type of chemical entity
weak organic acid
Comedogenic: 0/5 Irritancy: 0/5
Guar Hydroxypropyltrimonium Chloride#26
ANTISTATIC, FILM FORMING, SKIN CONDITIONING, VISCOSITY CONTROLLING
Guar gum, 2-hydroxy-3-(trimethylammonio)propyl ether, chloride
Comedogenic: 0/5 Irritancy: 0/5
Polyquaternium-7#27
ANTISTATIC, FILM FORMING
Polyquaternium-7 is the polymeric quaternary ammonium salt of acrylamide and dimethyl diallyl ammonium chloride
Comedogenic: 0/5 Irritancy: 0/5
Zea Mays (Corn) Starch#28
Zea Mays (Corn) Starch is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Fragrance#29
Fragrance
A catch-all term that can refer to dozens of different chemicals. Common cause of allergic reactions.
Comedogenic: 0/5 Irritancy: 4/5
Linalool#30
Fragrance
A naturally occurring terpene alcohol found in many flowers and spice plants. Can cause allergic reactions.
Comedogenic: 0/5 Irritancy: 3/5
Butylphenyl Methylpropional#31🚫 Prohibited
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Geraniol#32
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Panthenol#33
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Citronellol#34⚠️ Restricted
group of stereoisomers
pair of enantiomers
Comedogenic: 0/5 Irritancy: 0/5
Limonene#35⚠️ Restricted
Fragrance
A common fragrance ingredient derived from citrus fruits. Can be irritating to sensitive skin.
Comedogenic: 1/5 Irritancy: 2/5
Aqua/​Water/​Eau#36
Aqua/​Water/​Eau is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Cetearyl Alcohol#37
mixture
mixture of fatty alcohols
Comedogenic: 2/5 Irritancy: 0/5
Cetyl Alcohol#38
EMULSION STABILISING, FRAGRANCE, OPACIFYING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING
Hexadecan-1-ol
Comedogenic: 2/5 Irritancy: 0/5
Dicetyldimonium Chloride#39
ANTISTATIC, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
Dihexadecyldimethylammonium chloride
Comedogenic: 0/5 Irritancy: 0/5
Glycerin#40
Humectant
A powerful humectant that attracts moisture to the skin, keeping it hydrated and soft.
Comedogenic: 0/5 Irritancy: 0/5
Behentrimonium Chloride#41
ANTISTATIC, HAIR CONDITIONING, PRESERVATIVE
Docosyltrimethylammonium chloride
Comedogenic: 0/5 Irritancy: 0/5
Simmondsia Chinensis (Jojoba) Seed Oil#42
Simmondsia Chinensis (Jojoba) Seed Oil is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Argania Spinosa Kernel Oil#43
SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
Argania Spinosa Kernel Oil is the fixed oil expressed from the kernels, Argania Spinosa (L.), Sapotaceae
Comedogenic: 0/5 Irritancy: 0/5
Hydrolyzed Ceratonia Siliqua Seed Extract#44
SKIN CONDITIONING
Hydrolyzed Ceratonia Siliqua Seed Extract is used in this formula as SKIN CONDITIONING.
Comedogenic: 0/5 Irritancy: 0/5
No description
Keratin Amino Acids#45
ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING
Keratins, hydrolyzates
Comedogenic: 0/5 Irritancy: 0/5
Hydrolyzed Silk#46
ANTISTATIC, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING
Protein hydrolyzates, silk
Comedogenic: 0/5 Irritancy: 0/5
Panthenol#47
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Amodimethicone#48
ANTISTATIC, HAIR CONDITIONING
Dimethylsiloxane, polymer, (((3-((2-aminoethyl)amino)propyl)-dimethoxysilyl)oxy)-terminated
Comedogenic: 0/5 Irritancy: 0/5
Propylene Glycol Dicaprylate/​Dicaprate#49
Propylene Glycol Dicaprylate/​Dicaprate is a cosmetic ingredient used in this formulation.
Comedogenic: 2/5 Irritancy: 0/5
No descriptionNo function
Guar Hydroxypropyltrimonium Chloride#50
ANTISTATIC, FILM FORMING, SKIN CONDITIONING, VISCOSITY CONTROLLING
Guar gum, 2-hydroxy-3-(trimethylammonio)propyl ether, chloride
Comedogenic: 0/5 Irritancy: 0/5
Linoleamidopropyl Pg-Dimonium Chloride Phosphate#51
ANTISTATIC
1-Propanaminium, 2,3-dihydroxy-N,N-dimethyl-N-[3-(1-oxo-9,12-octadecadienylamino)propyl]-, 3-phosphate triester, trichloride
Comedogenic: 0/5 Irritancy: 0/5
PPG-1 Trideceth-6#52
Tridecanol, ethoxylated, propoxylated (6 mol EO, 1 mol PO average molar ratio)
Comedogenic: 0/5 Irritancy: 0/5
No function
PEG-8 Dimethicone#53
HAIR CONDITIONING, SKIN CONDITIONING
Silicones and siloxanes, dimethyl, hydropoly(oxy-1,2-ethanediyl)methyl, trimethylsilyl terminated (8 mol EO average molar ratio)
Comedogenic: 0/5 Irritancy: 0/5
Zea Mays (Corn) Starch#54
Zea Mays (Corn) Starch is a cosmetic ingredient used in this formulation.
Comedogenic: 0/5 Irritancy: 0/5
No descriptionNo function
Trisodium Hedta#55
CHELATING
Trisodium 2-(carboxylatomethyl(2-hydroxyethyl)amino)ethyliminodi(acetate)
Comedogenic: 0/5 Irritancy: 0/5
Polyquaternium-37#56
Ethanaminium, N, N, N-trimethyl-2-((2-methyl-1-oxo-2-propenyl)oxy)-, chloride, homopolymer
Comedogenic: 0/5 Irritancy: 0/5
No function
Cetrimonium Chloride#57
ANTIMICROBIAL, ANTISTATIC, PRESERVATIVE, SURFACTANT - EMULSIFYING
1-Hexadecanaminium, N,N,N-trimethyl-, chloride
Comedogenic: 0/5 Irritancy: 0/5
Caprylyl Glycol#58
DEODORANT, HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT
Octane-1,2-diol
Comedogenic: 0/5 Irritancy: 0/5
Trideceth-10#59
CLEANSING, SURFACTANT - CLEANSING
Poly(oxy-1,2-ethanediyl), .alpha.-tridecyl-.omega.-hydroxy; Isotridecanol, ethoxylated
Comedogenic: 0/5 Irritancy: 0/5
Polyquaternium-7#60
ANTISTATIC, FILM FORMING
Polyquaternium-7 is the polymeric quaternary ammonium salt of acrylamide and dimethyl diallyl ammonium chloride
Comedogenic: 0/5 Irritancy: 0/5
Cetrimonium Chloride#61
ANTIMICROBIAL, ANTISTATIC, PRESERVATIVE, SURFACTANT - EMULSIFYING
1-Hexadecanaminium, N,N,N-trimethyl-, chloride
Comedogenic: 0/5 Irritancy: 0/5
Sodium Benzoate#62
ANTICORROSIVE, FRAGRANCE, PRESERVATIVE
Sodium benzoate
Comedogenic: 2/5 Irritancy: 0/5
Phenoxyethanol#63
Preservative
A common preservative that is generally well-tolerated by most skin types.
Comedogenic: 0/5 Irritancy: 1/5
Potassium Sorbate#64
type of chemical entity
chemical compound
Comedogenic: 2/5 Irritancy: 2/5
Isopropyl Alcohol#65
ANTIFOAMING, PERFUMING, SOLVENT, VISCOSITY CONTROLLING
Propan-2-ol, isopropanol
Comedogenic: 0/5 Irritancy: 0/5
Hexylene Glycol#66
PERFUMING, SKIN CONDITIONING, SOLVENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
2-Methylpentane-2,4-diol
Comedogenic: 0/5 Irritancy: 0/5
Citric Acid#67
type of chemical entity
weak organic acid
Comedogenic: 0/5 Irritancy: 0/5
Fragrance#68
Fragrance
A catch-all term that can refer to dozens of different chemicals. Common cause of allergic reactions.
Comedogenic: 0/5 Irritancy: 4/5
Hexyl Cinnamal#69
PERFUMING
2-Phenylmethyleneoctanal; alpha-Hexylcinnamaldehyde; 2-Benzylideneoctanal; alpha-n-hexyl-beta-phenylacrolein
Comedogenic: 0/5 Irritancy: 0/5
Linalool#70
Fragrance
A naturally occurring terpene alcohol found in many flowers and spice plants. Can cause allergic reactions.
Comedogenic: 0/5 Irritancy: 3/5
Butylphenyl Methylpropional#71🚫 Prohibited
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Geraniol#72
type of chemical entity
chemical compound
Comedogenic: 0/5 Irritancy: 0/5
Citronellol#73⚠️ Restricted
group of stereoisomers
pair of enantiomers
Comedogenic: 0/5 Irritancy: 0/5
Limonene#74⚠️ Restricted
Fragrance
A common fragrance ingredient derived from citrus fruits. Can be irritating to sensitive skin.
Comedogenic: 1/5 Irritancy: 2/5
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