Apply a coat of Zao hardener and allow to dry before applying your coloured nail varnish or use on its own.
Naturally rich in organic silica, it makes the nails harder and more resistant.
Hardener 635 formula contains 80 % ingredients from natural origin. In this new formula Zao changed the petrochemical solvents to Agro-solvents from corn, potatoes, manioc and wheat.
Moreover, the Hardener 635 is guaranteed '10 free': The composition is free of 10 harmful ingredients: toluene*, formaldehyde*, dibutyl phthalate*, formaldehyde resin, paraben, xylene*, camphor, rosin*, styrene and benzophenone. *There may be traces of these ingredients as an unavoidable impurity.
INGREDIENTS “10 FREE” HARDENER : ETHYL ACETATE, BUTYL ACETATE, NITROCELLULOSE, ADIPIC ACID/NEOPENTYL GLYCOL/TRIMELLITIC ANHYDRIDE COPOLYMER, ISOSORBIDE DICAPRYLATE/CAPRATE, ALCOHOL, N-BUTYL ALCOHOL, PERSEA GRATISSIMA (AVOCADO) FRUIT EXTRACT, CAMELLIA SINENSIS LEAF EXTRACT, CITRIC ACID, AQUA (WATER), EDTA, GLYCERIN, HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL, METHYLPROPANEDIOL, METHYLTHIOPROPYLAMIDO ACETYL METHIONINE, POTASSIUM SORBATE, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, CAPRYLIC/CAPRIC TRIGLYCERIDE, TRIMETHYLPENTANEDIYL DIBENZOATE, HEXANAL, BAMBUSA VULGARIS LEAF/STEM EXTRACT, PHENOXYETHANOL, PISTACIA LENTISCUS (MASTIC) GUM, PROPYLENE GLYCOL, SODIUM BENZOATE, SPINACIA OLERACEA (SPINACH) LEAF EXTRACT, TOCOPHEROL, ETOCRYLENE, CI 60725 (VIOLET 2).