
Bionike Shine On Castano 4 is a permanent hair color formulated specifically for the needs of those with sensitive, reactive or allergy-prone scalps . The Castano 4 shade guarantees an intense, uniform and natural color, perfect for obtaining a classic, deep and elegant brown shade.
This dye is part of the dermatologically tested Shine On line by Bionike, designed to offer an effective but delicate coloring , without compromising the balance of the skin. It is formulated without ammonia, resorcinol, preservatives, gluten and perfume . Nickel tested (<0.0001%) and tested on sensitive skin, it is also suitable for intolerant subjects.
Shine On Castano 4 perfectly covers gray hair, offering a long-lasting permanent color, with bright and natural reflections. Thanks to the presence of treating ingredients, the coloring cream not only colors, but nourishes, protects and strengthens the hair fiber, leaving the hair soft, shiny and easy to comb.
The brown shade 4 is ideal for those who want a refined, natural and sober look. It is a universal shade, suitable for every complexion, which gives depth and uniformity to the color without turning red. Also perfect as a base for those who want to subsequently tone or blend the hair with cold or warm reflections.
How to use
How to use Bionike Shine On Castano 4?
Before use, it is essential to perform a sensitivity test 48 hours before , even if you have already used the dye in the past. The test is simple and explained in the leaflet included.
Wear the protective gloves included in the package. Mix the coloring cream with the cream developer in the applicator bottle. Shake well until you get a homogeneous emulsion.
Apply the product to dry, unwashed hair, starting from the roots and distributing along the entire length. Leave on for about 30-35 minutes. After this time, rinse thoroughly and apply the post-coloring treatment sachet to nourish and fix the color.
Warnings
What are the warnings of Bionike Shine On Castano 4?
For external use only. Do not use on eyelashes and eyebrows. In case of contact with eyes, rinse immediately with plenty of water. Use protective gloves during all phases of application.
Always perform an allergy test 48 hours before each use. Do not use if your scalp is irritated, damaged or affected by dermatological conditions. Do not use if you have already had an allergic reaction to similar products in the past.
Keep out of reach of children. Do not use on hair previously treated with henna or metal salts. Store the package in a cool, dry place, away from heat sources.
Format
Single-use pack containing:
- 1 tube of colouring cream (50 ml)
- 1 bottle of cream developer (75 ml)
- 1 sachet of post-colouring restructuring treatment (15 ml)
- 1 pair of protective gloves
- 1 leaflet with instructions for use
Suitable for complete colouring on medium-length hair.








