Hair thickening treatment

Hair styling

Lists fragrance, drying alcohol, silicones

All 10 ingredients read

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All 10 ingredients

Hair thickening treatment by Hair Biology lists 10 ingredients, in label order. Each line says what the ingredient does in the formula.

Solvent (drying alcohol)

peg/ppg-20/23 dimethicone

Skin conditioning

acrylates/c10-30 alkyl acrylate crosspolymer

Viscosity controlling

Skin conditioning

triethanolamine

Skin conditioning

Ingredients: Hair Biology website · Updated October 22, 2026